Home / 117,589.86-162,275.20-63,875.93

Finding the Fourth Proportional to 117,589.86, 162,275.20 and 63,875.93

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Solution

The fourth proportional to 117,589.86, 162,275.20 and 63,875.93 is: 88,149.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,589.86 : 162,275.20 = 63,875.93 : x
  2. Step 2: Convert to fraction form
    117,589.86/162,275.20 = 63,875.93/x
  3. Step 3: Cross multiply
    117,589.86x = 162,275.20 × 63,875.93
  4. Step 4: Simplify right side
    117,589.86x = 10,365,478,344.87
  5. Step 5: Solve for x
    x = 10,365,478,344.87/117,589.86
  6. Step 6: Final answer
    x = 88,149.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.