Home / 93,587.76-129,151.20-51,146.31

Finding the Fourth Proportional to 93,587.76, 129,151.20 and 51,146.31

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Solution

The fourth proportional to 93,587.76, 129,151.20 and 51,146.31 is: 70,581.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,587.76 : 129,151.20 = 51,146.31 : x
  2. Step 2: Convert to fraction form
    93,587.76/129,151.20 = 51,146.31/x
  3. Step 3: Cross multiply
    93,587.76x = 129,151.20 × 51,146.31
  4. Step 4: Simplify right side
    93,587.76x = 6,605,607,312.07
  5. Step 5: Solve for x
    x = 6,605,607,312.07/93,587.76
  6. Step 6: Final answer
    x = 70,581.96

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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.