Home / 113,685.46-156,894.91-62,702.84

Finding the Fourth Proportional to 113,685.46, 156,894.91 and 62,702.84

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Solution

The fourth proportional to 113,685.46, 156,894.91 and 62,702.84 is: 86,534.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,685.46 : 156,894.91 = 62,702.84 : x
  2. Step 2: Convert to fraction form
    113,685.46/156,894.91 = 62,702.84/x
  3. Step 3: Cross multiply
    113,685.46x = 156,894.91 × 62,702.84
  4. Step 4: Simplify right side
    113,685.46x = 9,837,756,674.02
  5. Step 5: Solve for x
    x = 9,837,756,674.02/113,685.46
  6. Step 6: Final answer
    x = 86,534.87

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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.