Home / 75,288.48-112,907.84-25,356.18

Finding the Fourth Proportional to 75,288.48, 112,907.84 and 25,356.18

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Solution

The fourth proportional to 75,288.48, 112,907.84 and 25,356.18 is: 38,025.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,288.48 : 112,907.84 = 25,356.18 : x
  2. Step 2: Convert to fraction form
    75,288.48/112,907.84 = 25,356.18/x
  3. Step 3: Cross multiply
    75,288.48x = 112,907.84 × 25,356.18
  4. Step 4: Simplify right side
    75,288.48x = 2,862,911,387.67
  5. Step 5: Solve for x
    x = 2,862,911,387.67/75,288.48
  6. Step 6: Final answer
    x = 38,025.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.