Home / 112,586.40-155,368.08-62,285.76

Finding the Fourth Proportional to 112,586.40, 155,368.08 and 62,285.76

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Solution

The fourth proportional to 112,586.40, 155,368.08 and 62,285.76 is: 85,953.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,586.40 : 155,368.08 = 62,285.76 : x
  2. Step 2: Convert to fraction form
    112,586.40/155,368.08 = 62,285.76/x
  3. Step 3: Cross multiply
    112,586.40x = 155,368.08 × 62,285.76
  4. Step 4: Simplify right side
    112,586.40x = 9,677,218,942.54
  5. Step 5: Solve for x
    x = 9,677,218,942.54/112,586.40
  6. Step 6: Final answer
    x = 85,953.71

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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.