Home / 71,925.01-99,252.88-40,087.76

Finding the Fourth Proportional to 71,925.01, 99,252.88 and 40,087.76

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Solution

The fourth proportional to 71,925.01, 99,252.88 and 40,087.76 is: 55,319.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,925.01 : 99,252.88 = 40,087.76 : x
  2. Step 2: Convert to fraction form
    71,925.01/99,252.88 = 40,087.76/x
  3. Step 3: Cross multiply
    71,925.01x = 99,252.88 × 40,087.76
  4. Step 4: Simplify right side
    71,925.01x = 3,978,825,632.75
  5. Step 5: Solve for x
    x = 3,978,825,632.75/71,925.01
  6. Step 6: Final answer
    x = 55,319.08

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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.