Home / 92,129.60-137,937.79-47,053.36

Finding the Fourth Proportional to 92,129.60, 137,937.79 and 47,053.36

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Solution

The fourth proportional to 92,129.60, 137,937.79 and 47,053.36 is: 70,448.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,129.60 : 137,937.79 = 47,053.36 : x
  2. Step 2: Convert to fraction form
    92,129.60/137,937.79 = 47,053.36/x
  3. Step 3: Cross multiply
    92,129.60x = 137,937.79 × 47,053.36
  4. Step 4: Simplify right side
    92,129.60x = 6,490,435,681.14
  5. Step 5: Solve for x
    x = 6,490,435,681.14/92,129.60
  6. Step 6: Final answer
    x = 70,448.97

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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.