Home / 142,748.93-214,124.92-58,487.47

Finding the Fourth Proportional to 142,748.93, 214,124.92 and 58,487.47

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Solution

The fourth proportional to 142,748.93, 214,124.92 and 58,487.47 is: 87,731.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,748.93 : 214,124.92 = 58,487.47 : x
  2. Step 2: Convert to fraction form
    142,748.93/214,124.92 = 58,487.47/x
  3. Step 3: Cross multiply
    142,748.93x = 214,124.92 × 58,487.47
  4. Step 4: Simplify right side
    142,748.93x = 12,523,624,153.22
  5. Step 5: Solve for x
    x = 12,523,624,153.22/142,748.93
  6. Step 6: Final answer
    x = 87,731.82

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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.