Home / 112,702.76-155,534.66-62,401.76

Finding the Fourth Proportional to 112,702.76, 155,534.66 and 62,401.76

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Solution

The fourth proportional to 112,702.76, 155,534.66 and 62,401.76 is: 86,117.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,702.76 : 155,534.66 = 62,401.76 : x
  2. Step 2: Convert to fraction form
    112,702.76/155,534.66 = 62,401.76/x
  3. Step 3: Cross multiply
    112,702.76x = 155,534.66 × 62,401.76
  4. Step 4: Simplify right side
    112,702.76x = 9,705,636,525.00
  5. Step 5: Solve for x
    x = 9,705,636,525.00/112,702.76
  6. Step 6: Final answer
    x = 86,117.11

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1.5x scale

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.