Home / 56,157.90-77,503.71-34,366.86

Finding the Fourth Proportional to 56,157.90, 77,503.71 and 34,366.86

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Solution

The fourth proportional to 56,157.90, 77,503.71 and 34,366.86 is: 47,429.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,157.90 : 77,503.71 = 34,366.86 : x
  2. Step 2: Convert to fraction form
    56,157.90/77,503.71 = 34,366.86/x
  3. Step 3: Cross multiply
    56,157.90x = 77,503.71 × 34,366.86
  4. Step 4: Simplify right side
    56,157.90x = 2,663,559,151.05
  5. Step 5: Solve for x
    x = 2,663,559,151.05/56,157.90
  6. Step 6: Final answer
    x = 47,429.82

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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.