Home / 89,878.21-124,031.15-49,592.35

Finding the Fourth Proportional to 89,878.21, 124,031.15 and 49,592.35

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Solution

The fourth proportional to 89,878.21, 124,031.15 and 49,592.35 is: 68,437.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,878.21 : 124,031.15 = 49,592.35 : x
  2. Step 2: Convert to fraction form
    89,878.21/124,031.15 = 49,592.35/x
  3. Step 3: Cross multiply
    89,878.21x = 124,031.15 × 49,592.35
  4. Step 4: Simplify right side
    89,878.21x = 6,150,996,294.75
  5. Step 5: Solve for x
    x = 6,150,996,294.75/89,878.21
  6. Step 6: Final answer
    x = 68,437.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.