Home / 112,702.50-155,529.45-62,404.74

Finding the Fourth Proportional to 112,702.50, 155,529.45 and 62,404.74

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Solution

The fourth proportional to 112,702.50, 155,529.45 and 62,404.74 is: 86,118.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,702.50 : 155,529.45 = 62,404.74 : x
  2. Step 2: Convert to fraction form
    112,702.50/155,529.45 = 62,404.74/x
  3. Step 3: Cross multiply
    112,702.50x = 155,529.45 × 62,404.74
  4. Step 4: Simplify right side
    112,702.50x = 9,705,774,889.59
  5. Step 5: Solve for x
    x = 9,705,774,889.59/112,702.50
  6. Step 6: Final answer
    x = 86,118.54

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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.