Home / 72,073.95-99,461.68-40,242.85

Finding the Fourth Proportional to 72,073.95, 99,461.68 and 40,242.85

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Solution

The fourth proportional to 72,073.95, 99,461.68 and 40,242.85 is: 55,534.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,073.95 : 99,461.68 = 40,242.85 : x
  2. Step 2: Convert to fraction form
    72,073.95/99,461.68 = 40,242.85/x
  3. Step 3: Cross multiply
    72,073.95x = 99,461.68 × 40,242.85
  4. Step 4: Simplify right side
    72,073.95x = 4,002,621,682.42
  5. Step 5: Solve for x
    x = 4,002,621,682.42/72,073.95
  6. Step 6: Final answer
    x = 55,534.93

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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.