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Finding the Fourth Proportional to 85,305.36, 117,746.04 and 49,503.36

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Solution

The fourth proportional to 85,305.36, 117,746.04 and 49,503.36 is: 68,328.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,305.36 : 117,746.04 = 49,503.36 : x
  2. Step 2: Convert to fraction form
    85,305.36/117,746.04 = 49,503.36/x
  3. Step 3: Cross multiply
    85,305.36x = 117,746.04 × 49,503.36
  4. Step 4: Simplify right side
    85,305.36x = 5,828,824,606.69
  5. Step 5: Solve for x
    x = 5,828,824,606.69/85,305.36
  6. Step 6: Final answer
    x = 68,328.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.