Home / 80,824.95-121,237.47-37,543.59

Finding the Fourth Proportional to 80,824.95, 121,237.47 and 37,543.59

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Solution

The fourth proportional to 80,824.95, 121,237.47 and 37,543.59 is: 56,315.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,824.95 : 121,237.47 = 37,543.59 : x
  2. Step 2: Convert to fraction form
    80,824.95/121,237.47 = 37,543.59/x
  3. Step 3: Cross multiply
    80,824.95x = 121,237.47 × 37,543.59
  4. Step 4: Simplify right side
    80,824.95x = 4,551,690,278.25
  5. Step 5: Solve for x
    x = 4,551,690,278.25/80,824.95
  6. Step 6: Final answer
    x = 56,315.41

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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.