Home / 75,307.90-112,947.27-25,382.74

Finding the Fourth Proportional to 75,307.90, 112,947.27 and 25,382.74

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Solution

The fourth proportional to 75,307.90, 112,947.27 and 25,382.74 is: 38,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,307.90 : 112,947.27 = 25,382.74 : x
  2. Step 2: Convert to fraction form
    75,307.90/112,947.27 = 25,382.74/x
  3. Step 3: Cross multiply
    75,307.90x = 112,947.27 × 25,382.74
  4. Step 4: Simplify right side
    75,307.90x = 2,866,911,188.12
  5. Step 5: Solve for x
    x = 2,866,911,188.12/75,307.90
  6. Step 6: Final answer
    x = 38,069.20

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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.