Home / 93,834.40-129,479.64-74,762.56

Finding the Fourth Proportional to 93,834.40, 129,479.64 and 74,762.56

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Solution

The fourth proportional to 93,834.40, 129,479.64 and 74,762.56 is: 103,162.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,834.40 : 129,479.64 = 74,762.56 : x
  2. Step 2: Convert to fraction form
    93,834.40/129,479.64 = 74,762.56/x
  3. Step 3: Cross multiply
    93,834.40x = 129,479.64 × 74,762.56
  4. Step 4: Simplify right side
    93,834.40x = 9,680,229,354.28
  5. Step 5: Solve for x
    x = 9,680,229,354.28/93,834.40
  6. Step 6: Final answer
    x = 103,162.91

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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.