Home / 99,702.52-137,586.12-59,395.41

Finding the Fourth Proportional to 99,702.52, 137,586.12 and 59,395.41

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Solution

The fourth proportional to 99,702.52, 137,586.12 and 59,395.41 is: 81,963.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,702.52 : 137,586.12 = 59,395.41 : x
  2. Step 2: Convert to fraction form
    99,702.52/137,586.12 = 59,395.41/x
  3. Step 3: Cross multiply
    99,702.52x = 137,586.12 × 59,395.41
  4. Step 4: Simplify right side
    99,702.52x = 8,171,984,007.71
  5. Step 5: Solve for x
    x = 8,171,984,007.71/99,702.52
  6. Step 6: Final answer
    x = 81,963.67

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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.