Home / 93,487.47-129,012.19-51,045.69

Finding the Fourth Proportional to 93,487.47, 129,012.19 and 51,045.69

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Solution

The fourth proportional to 93,487.47, 129,012.19 and 51,045.69 is: 70,442.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,487.47 : 129,012.19 = 51,045.69 : x
  2. Step 2: Convert to fraction form
    93,487.47/129,012.19 = 51,045.69/x
  3. Step 3: Cross multiply
    93,487.47x = 129,012.19 × 51,045.69
  4. Step 4: Simplify right side
    93,487.47x = 6,585,516,900.27
  5. Step 5: Solve for x
    x = 6,585,516,900.27/93,487.47
  6. Step 6: Final answer
    x = 70,442.78

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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.