Home / 99,551.36-137,381.08-59,266.52

Finding the Fourth Proportional to 99,551.36, 137,381.08 and 59,266.52

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Solution

The fourth proportional to 99,551.36, 137,381.08 and 59,266.52 is: 81,787.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,551.36 : 137,381.08 = 59,266.52 : x
  2. Step 2: Convert to fraction form
    99,551.36/137,381.08 = 59,266.52/x
  3. Step 3: Cross multiply
    99,551.36x = 137,381.08 × 59,266.52
  4. Step 4: Simplify right side
    99,551.36x = 8,142,098,525.44
  5. Step 5: Solve for x
    x = 8,142,098,525.44/99,551.36
  6. Step 6: Final answer
    x = 81,787.92

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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.