Home / 58,350.28-87,318.06-42,729.16

Finding the Fourth Proportional to 58,350.28, 87,318.06 and 42,729.16

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Solution

The fourth proportional to 58,350.28, 87,318.06 and 42,729.16 is: 63,941.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,350.28 : 87,318.06 = 42,729.16 : x
  2. Step 2: Convert to fraction form
    58,350.28/87,318.06 = 42,729.16/x
  3. Step 3: Cross multiply
    58,350.28x = 87,318.06 × 42,729.16
  4. Step 4: Simplify right side
    58,350.28x = 3,731,027,356.63
  5. Step 5: Solve for x
    x = 3,731,027,356.63/58,350.28
  6. Step 6: Final answer
    x = 63,941.89

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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.