Home / 57,688.10-86,532.15-35,429.30

Finding the Fourth Proportional to 57,688.10, 86,532.15 and 35,429.30

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Solution

The fourth proportional to 57,688.10, 86,532.15 and 35,429.30 is: 53,143.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,688.10 : 86,532.15 = 35,429.30 : x
  2. Step 2: Convert to fraction form
    57,688.10/86,532.15 = 35,429.30/x
  3. Step 3: Cross multiply
    57,688.10x = 86,532.15 × 35,429.30
  4. Step 4: Simplify right side
    57,688.10x = 3,065,773,502.00
  5. Step 5: Solve for x
    x = 3,065,773,502.00/57,688.10
  6. Step 6: Final answer
    x = 53,143.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.