Home / 60,275.61-90,403.09-15,902.80

Finding the Fourth Proportional to 60,275.61, 90,403.09 and 15,902.80

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Solution

The fourth proportional to 60,275.61, 90,403.09 and 15,902.80 is: 23,851.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,275.61 : 90,403.09 = 15,902.80 : x
  2. Step 2: Convert to fraction form
    60,275.61/90,403.09 = 15,902.80/x
  3. Step 3: Cross multiply
    60,275.61x = 90,403.09 × 15,902.80
  4. Step 4: Simplify right side
    60,275.61x = 1,437,661,993.89
  5. Step 5: Solve for x
    x = 1,437,661,993.89/60,275.61
  6. Step 6: Final answer
    x = 23,851.47

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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.