Home / 99,548.74-137,377.45-59,263.90

Finding the Fourth Proportional to 99,548.74, 137,377.45 and 59,263.90

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Solution

The fourth proportional to 99,548.74, 137,377.45 and 59,263.90 is: 81,784.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,548.74 : 137,377.45 = 59,263.90 : x
  2. Step 2: Convert to fraction form
    99,548.74/137,377.45 = 59,263.90/x
  3. Step 3: Cross multiply
    99,548.74x = 137,377.45 × 59,263.90
  4. Step 4: Simplify right side
    99,548.74x = 8,141,523,459.06
  5. Step 5: Solve for x
    x = 8,141,523,459.06/99,548.74
  6. Step 6: Final answer
    x = 81,784.29

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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.