Home / 56,319.80-77,720.19-32,445.86

Finding the Fourth Proportional to 56,319.80, 77,720.19 and 32,445.86

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Solution

The fourth proportional to 56,319.80, 77,720.19 and 32,445.86 is: 44,774.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,319.80 : 77,720.19 = 32,445.86 : x
  2. Step 2: Convert to fraction form
    56,319.80/77,720.19 = 32,445.86/x
  3. Step 3: Cross multiply
    56,319.80x = 77,720.19 × 32,445.86
  4. Step 4: Simplify right side
    56,319.80x = 2,521,698,403.91
  5. Step 5: Solve for x
    x = 2,521,698,403.91/56,319.80
  6. Step 6: Final answer
    x = 44,774.63

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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.