Home / 48,136.74-72,205.29-31,601.40

Finding the Fourth Proportional to 48,136.74, 72,205.29 and 31,601.40

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Solution

The fourth proportional to 48,136.74, 72,205.29 and 31,601.40 is: 47,402.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,136.74 : 72,205.29 = 31,601.40 : x
  2. Step 2: Convert to fraction form
    48,136.74/72,205.29 = 31,601.40/x
  3. Step 3: Cross multiply
    48,136.74x = 72,205.29 × 31,601.40
  4. Step 4: Simplify right side
    48,136.74x = 2,281,788,251.41
  5. Step 5: Solve for x
    x = 2,281,788,251.41/48,136.74
  6. Step 6: Final answer
    x = 47,402.22

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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.