Home / 60,154.72-90,191.07-30,515.40

Finding the Fourth Proportional to 60,154.72, 90,191.07 and 30,515.40

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Solution

The fourth proportional to 60,154.72, 90,191.07 and 30,515.40 is: 45,752.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,154.72 : 90,191.07 = 30,515.40 : x
  2. Step 2: Convert to fraction form
    60,154.72/90,191.07 = 30,515.40/x
  3. Step 3: Cross multiply
    60,154.72x = 90,191.07 × 30,515.40
  4. Step 4: Simplify right side
    60,154.72x = 2,752,216,577.48
  5. Step 5: Solve for x
    x = 2,752,216,577.48/60,154.72
  6. Step 6: Final answer
    x = 45,752.30

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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.