Home / 60,589.40-90,877.63-21,147.26

Finding the Fourth Proportional to 60,589.40, 90,877.63 and 21,147.26

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Solution

The fourth proportional to 60,589.40, 90,877.63 and 21,147.26 is: 31,718.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,589.40 : 90,877.63 = 21,147.26 : x
  2. Step 2: Convert to fraction form
    60,589.40/90,877.63 = 21,147.26/x
  3. Step 3: Cross multiply
    60,589.40x = 90,877.63 × 21,147.26
  4. Step 4: Simplify right side
    60,589.40x = 1,921,812,869.79
  5. Step 5: Solve for x
    x = 1,921,812,869.79/60,589.40
  6. Step 6: Final answer
    x = 31,718.63

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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.