Home / 112,817.84-155,694.84-62,515.76

Finding the Fourth Proportional to 112,817.84, 155,694.84 and 62,515.76

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Solution

The fourth proportional to 112,817.84, 155,694.84 and 62,515.76 is: 86,275.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,817.84 : 155,694.84 = 62,515.76 : x
  2. Step 2: Convert to fraction form
    112,817.84/155,694.84 = 62,515.76/x
  3. Step 3: Cross multiply
    112,817.84x = 155,694.84 × 62,515.76
  4. Step 4: Simplify right side
    112,817.84x = 9,733,381,250.68
  5. Step 5: Solve for x
    x = 9,733,381,250.68/112,817.84
  6. Step 6: Final answer
    x = 86,275.20

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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.