Home / 112,338.78-155,024.55-62,036.70

Finding the Fourth Proportional to 112,338.78, 155,024.55 and 62,036.70

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Solution

The fourth proportional to 112,338.78, 155,024.55 and 62,036.70 is: 85,609.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,338.78 : 155,024.55 = 62,036.70 : x
  2. Step 2: Convert to fraction form
    112,338.78/155,024.55 = 62,036.70/x
  3. Step 3: Cross multiply
    112,338.78x = 155,024.55 × 62,036.70
  4. Step 4: Simplify right side
    112,338.78x = 9,617,211,500.99
  5. Step 5: Solve for x
    x = 9,617,211,500.99/112,338.78
  6. Step 6: Final answer
    x = 85,609.01

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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.