Home / 104,785.38-144,581.40-62,335.62

Finding the Fourth Proportional to 104,785.38, 144,581.40 and 62,335.62

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Solution

The fourth proportional to 104,785.38, 144,581.40 and 62,335.62 is: 86,009.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,785.38 : 144,581.40 = 62,335.62 : x
  2. Step 2: Convert to fraction form
    104,785.38/144,581.40 = 62,335.62/x
  3. Step 3: Cross multiply
    104,785.38x = 144,581.40 × 62,335.62
  4. Step 4: Simplify right side
    104,785.38x = 9,012,571,209.47
  5. Step 5: Solve for x
    x = 9,012,571,209.47/104,785.38
  6. Step 6: Final answer
    x = 86,009.82

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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.