Home / 85,580.29-118,098.30-47,341.36

Finding the Fourth Proportional to 85,580.29, 118,098.30 and 47,341.36

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Solution

The fourth proportional to 85,580.29, 118,098.30 and 47,341.36 is: 65,329.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,580.29 : 118,098.30 = 47,341.36 : x
  2. Step 2: Convert to fraction form
    85,580.29/118,098.30 = 47,341.36/x
  3. Step 3: Cross multiply
    85,580.29x = 118,098.30 × 47,341.36
  4. Step 4: Simplify right side
    85,580.29x = 5,590,934,135.69
  5. Step 5: Solve for x
    x = 5,590,934,135.69/85,580.29
  6. Step 6: Final answer
    x = 65,329.69

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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.