Home / 112,588.64-155,363.76-62,286.56

Finding the Fourth Proportional to 112,588.64, 155,363.76 and 62,286.56

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Solution

The fourth proportional to 112,588.64, 155,363.76 and 62,286.56 is: 85,950.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,588.64 : 155,363.76 = 62,286.56 : x
  2. Step 2: Convert to fraction form
    112,588.64/155,363.76 = 62,286.56/x
  3. Step 3: Cross multiply
    112,588.64x = 155,363.76 × 62,286.56
  4. Step 4: Simplify right side
    112,588.64x = 9,677,074,159.07
  5. Step 5: Solve for x
    x = 9,677,074,159.07/112,588.64
  6. Step 6: Final answer
    x = 85,950.72

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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.