Home / 76,526.12-105,600.92-42,532.40

Finding the Fourth Proportional to 76,526.12, 105,600.92 and 42,532.40

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Solution

The fourth proportional to 76,526.12, 105,600.92 and 42,532.40 is: 58,691.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,526.12 : 105,600.92 = 42,532.40 : x
  2. Step 2: Convert to fraction form
    76,526.12/105,600.92 = 42,532.40/x
  3. Step 3: Cross multiply
    76,526.12x = 105,600.92 × 42,532.40
  4. Step 4: Simplify right side
    76,526.12x = 4,491,459,829.14
  5. Step 5: Solve for x
    x = 4,491,459,829.14/76,526.12
  6. Step 6: Final answer
    x = 58,691.86

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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.