Home / 72,330.12-99,816.84-47,165.04

Finding the Fourth Proportional to 72,330.12, 99,816.84 and 47,165.04

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Solution

The fourth proportional to 72,330.12, 99,816.84 and 47,165.04 is: 65,088.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,330.12 : 99,816.84 = 47,165.04 : x
  2. Step 2: Convert to fraction form
    72,330.12/99,816.84 = 47,165.04/x
  3. Step 3: Cross multiply
    72,330.12x = 99,816.84 × 47,165.04
  4. Step 4: Simplify right side
    72,330.12x = 4,707,865,251.27
  5. Step 5: Solve for x
    x = 4,707,865,251.27/72,330.12
  6. Step 6: Final answer
    x = 65,088.59

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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.