Home / 72,723.04-100,357.20-45,882.88

Finding the Fourth Proportional to 72,723.04, 100,357.20 and 45,882.88

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Solution

The fourth proportional to 72,723.04, 100,357.20 and 45,882.88 is: 63,318.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,723.04 : 100,357.20 = 45,882.88 : x
  2. Step 2: Convert to fraction form
    72,723.04/100,357.20 = 45,882.88/x
  3. Step 3: Cross multiply
    72,723.04x = 100,357.20 × 45,882.88
  4. Step 4: Simplify right side
    72,723.04x = 4,604,677,364.74
  5. Step 5: Solve for x
    x = 4,604,677,364.74/72,723.04
  6. Step 6: Final answer
    x = 63,318.00

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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.