Home / 92,387.15-138,624.47-52,977.59

Finding the Fourth Proportional to 92,387.15, 138,624.47 and 52,977.59

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Solution

The fourth proportional to 92,387.15, 138,624.47 and 52,977.59 is: 79,491.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,387.15 : 138,624.47 = 52,977.59 : x
  2. Step 2: Convert to fraction form
    92,387.15/138,624.47 = 52,977.59/x
  3. Step 3: Cross multiply
    92,387.15x = 138,624.47 × 52,977.59
  4. Step 4: Simplify right side
    92,387.15x = 7,343,990,335.63
  5. Step 5: Solve for x
    x = 7,343,990,335.63/92,387.15
  6. Step 6: Final answer
    x = 79,491.47

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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.