Home / 102,440.68-153,681.90-58,087.24

Finding the Fourth Proportional to 102,440.68, 153,681.90 and 58,087.24

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Solution

The fourth proportional to 102,440.68, 153,681.90 and 58,087.24 is: 87,142.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,440.68 : 153,681.90 = 58,087.24 : x
  2. Step 2: Convert to fraction form
    102,440.68/153,681.90 = 58,087.24/x
  3. Step 3: Cross multiply
    102,440.68x = 153,681.90 × 58,087.24
  4. Step 4: Simplify right side
    102,440.68x = 8,926,957,408.96
  5. Step 5: Solve for x
    x = 8,926,957,408.96/102,440.68
  6. Step 6: Final answer
    x = 87,142.70

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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.