Home / 99,089.22-136,856.67-65,248.98

Finding the Fourth Proportional to 99,089.22, 136,856.67 and 65,248.98

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Solution

The fourth proportional to 99,089.22, 136,856.67 and 65,248.98 is: 90,118.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,089.22 : 136,856.67 = 65,248.98 : x
  2. Step 2: Convert to fraction form
    99,089.22/136,856.67 = 65,248.98/x
  3. Step 3: Cross multiply
    99,089.22x = 136,856.67 × 65,248.98
  4. Step 4: Simplify right side
    99,089.22x = 8,929,758,123.70
  5. Step 5: Solve for x
    x = 8,929,758,123.70/99,089.22
  6. Step 6: Final answer
    x = 90,118.36

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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.