Home / 91,315.18-136,972.77-24,755.32

Finding the Fourth Proportional to 91,315.18, 136,972.77 and 24,755.32

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Solution

The fourth proportional to 91,315.18, 136,972.77 and 24,755.32 is: 37,132.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,315.18 : 136,972.77 = 24,755.32 : x
  2. Step 2: Convert to fraction form
    91,315.18/136,972.77 = 24,755.32/x
  3. Step 3: Cross multiply
    91,315.18x = 136,972.77 × 24,755.32
  4. Step 4: Simplify right side
    91,315.18x = 3,390,804,752.64
  5. Step 5: Solve for x
    x = 3,390,804,752.64/91,315.18
  6. Step 6: Final answer
    x = 37,132.98

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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.