Home / 93,663.60-129,255.72-51,222.15

Finding the Fourth Proportional to 93,663.60, 129,255.72 and 51,222.15

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Solution

The fourth proportional to 93,663.60, 129,255.72 and 51,222.15 is: 70,686.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,663.60 : 129,255.72 = 51,222.15 : x
  2. Step 2: Convert to fraction form
    93,663.60/129,255.72 = 51,222.15/x
  3. Step 3: Cross multiply
    93,663.60x = 129,255.72 × 51,222.15
  4. Step 4: Simplify right side
    93,663.60x = 6,620,755,878.20
  5. Step 5: Solve for x
    x = 6,620,755,878.20/93,663.60
  6. Step 6: Final answer
    x = 70,686.54

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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.