Home / 81,298.62-112,194.10-45,488.32

Finding the Fourth Proportional to 81,298.62, 112,194.10 and 45,488.32

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Solution

The fourth proportional to 81,298.62, 112,194.10 and 45,488.32 is: 62,775.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,298.62 : 112,194.10 = 45,488.32 : x
  2. Step 2: Convert to fraction form
    81,298.62/112,194.10 = 45,488.32/x
  3. Step 3: Cross multiply
    81,298.62x = 112,194.10 × 45,488.32
  4. Step 4: Simplify right side
    81,298.62x = 5,103,521,122.91
  5. Step 5: Solve for x
    x = 5,103,521,122.91/81,298.62
  6. Step 6: Final answer
    x = 62,775.00

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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.