Home / 112,702.50-155,529.45-62,401.50

Finding the Fourth Proportional to 112,702.50, 155,529.45 and 62,401.50

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Solution

The fourth proportional to 112,702.50, 155,529.45 and 62,401.50 is: 86,114.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,702.50 : 155,529.45 = 62,401.50 : x
  2. Step 2: Convert to fraction form
    112,702.50/155,529.45 = 62,401.50/x
  3. Step 3: Cross multiply
    112,702.50x = 155,529.45 × 62,401.50
  4. Step 4: Simplify right side
    112,702.50x = 9,705,270,974.18
  5. Step 5: Solve for x
    x = 9,705,270,974.18/112,702.50
  6. Step 6: Final answer
    x = 86,114.07

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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.