Home / 112,945.52-155,883.48-62,660.72

Finding the Fourth Proportional to 112,945.52, 155,883.48 and 62,660.72

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Solution

The fourth proportional to 112,945.52, 155,883.48 and 62,660.72 is: 86,482.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,945.52 : 155,883.48 = 62,660.72 : x
  2. Step 2: Convert to fraction form
    112,945.52/155,883.48 = 62,660.72/x
  3. Step 3: Cross multiply
    112,945.52x = 155,883.48 × 62,660.72
  4. Step 4: Simplify right side
    112,945.52x = 9,767,771,092.91
  5. Step 5: Solve for x
    x = 9,767,771,092.91/112,945.52
  6. Step 6: Final answer
    x = 86,482.15

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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.