Home / 112,521.01-155,278.61-62,220.01

Finding the Fourth Proportional to 112,521.01, 155,278.61 and 62,220.01

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Solution

The fourth proportional to 112,521.01, 155,278.61 and 62,220.01 is: 85,863.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,521.01 : 155,278.61 = 62,220.01 : x
  2. Step 2: Convert to fraction form
    112,521.01/155,278.61 = 62,220.01/x
  3. Step 3: Cross multiply
    112,521.01x = 155,278.61 × 62,220.01
  4. Step 4: Simplify right side
    112,521.01x = 9,661,436,355.89
  5. Step 5: Solve for x
    x = 9,661,436,355.89/112,521.01
  6. Step 6: Final answer
    x = 85,863.40

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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.