Home / 72,359.17-99,862.07-40,527.84

Finding the Fourth Proportional to 72,359.17, 99,862.07 and 40,527.84

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Solution

The fourth proportional to 72,359.17, 99,862.07 and 40,527.84 is: 55,932.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,359.17 : 99,862.07 = 40,527.84 : x
  2. Step 2: Convert to fraction form
    72,359.17/99,862.07 = 40,527.84/x
  3. Step 3: Cross multiply
    72,359.17x = 99,862.07 × 40,527.84
  4. Step 4: Simplify right side
    72,359.17x = 4,047,194,166.87
  5. Step 5: Solve for x
    x = 4,047,194,166.87/72,359.17
  6. Step 6: Final answer
    x = 55,932.01

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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.