Home / 81,559.05-112,551.62-45,748.95

Finding the Fourth Proportional to 81,559.05, 112,551.62 and 45,748.95

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Solution

The fourth proportional to 81,559.05, 112,551.62 and 45,748.95 is: 63,133.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,559.05 : 112,551.62 = 45,748.95 : x
  2. Step 2: Convert to fraction form
    81,559.05/112,551.62 = 45,748.95/x
  3. Step 3: Cross multiply
    81,559.05x = 112,551.62 × 45,748.95
  4. Step 4: Simplify right side
    81,559.05x = 5,149,118,207.05
  5. Step 5: Solve for x
    x = 5,149,118,207.05/81,559.05
  6. Step 6: Final answer
    x = 63,133.62

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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.