Home / 75,748.08-104,520.12-45,526.17

Finding the Fourth Proportional to 75,748.08, 104,520.12 and 45,526.17

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Solution

The fourth proportional to 75,748.08, 104,520.12 and 45,526.17 is: 62,818.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,748.08 : 104,520.12 = 45,526.17 : x
  2. Step 2: Convert to fraction form
    75,748.08/104,520.12 = 45,526.17/x
  3. Step 3: Cross multiply
    75,748.08x = 104,520.12 × 45,526.17
  4. Step 4: Simplify right side
    75,748.08x = 4,758,400,751.54
  5. Step 5: Solve for x
    x = 4,758,400,751.54/75,748.08
  6. Step 6: Final answer
    x = 62,818.76

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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.