Home / 99,702.02-137,585.43-59,394.91

Finding the Fourth Proportional to 99,702.02, 137,585.43 and 59,394.91

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Solution

The fourth proportional to 99,702.02, 137,585.43 and 59,394.91 is: 81,962.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,702.02 : 137,585.43 = 59,394.91 : x
  2. Step 2: Convert to fraction form
    99,702.02/137,585.43 = 59,394.91/x
  3. Step 3: Cross multiply
    99,702.02x = 137,585.43 × 59,394.91
  4. Step 4: Simplify right side
    99,702.02x = 8,171,874,232.16
  5. Step 5: Solve for x
    x = 8,171,874,232.16/99,702.02
  6. Step 6: Final answer
    x = 81,962.98

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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.