Home / 85,328.36-117,752.34-47,088.26

Finding the Fourth Proportional to 85,328.36, 117,752.34 and 47,088.26

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Solution

The fourth proportional to 85,328.36, 117,752.34 and 47,088.26 is: 64,981.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,328.36 : 117,752.34 = 47,088.26 : x
  2. Step 2: Convert to fraction form
    85,328.36/117,752.34 = 47,088.26/x
  3. Step 3: Cross multiply
    85,328.36x = 117,752.34 × 47,088.26
  4. Step 4: Simplify right side
    85,328.36x = 5,544,752,801.53
  5. Step 5: Solve for x
    x = 5,544,752,801.53/85,328.36
  6. Step 6: Final answer
    x = 64,981.36

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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.