Home / 60,437.20-90,656.40-18,317.38

Finding the Fourth Proportional to 60,437.20, 90,656.40 and 18,317.38

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Solution

The fourth proportional to 60,437.20, 90,656.40 and 18,317.38 is: 27,476.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,437.20 : 90,656.40 = 18,317.38 : x
  2. Step 2: Convert to fraction form
    60,437.20/90,656.40 = 18,317.38/x
  3. Step 3: Cross multiply
    60,437.20x = 90,656.40 × 18,317.38
  4. Step 4: Simplify right side
    60,437.20x = 1,660,587,728.23
  5. Step 5: Solve for x
    x = 1,660,587,728.23/60,437.20
  6. Step 6: Final answer
    x = 27,476.25

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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.