Home / 80,281.26-110,826.63-56,428.38

Finding the Fourth Proportional to 80,281.26, 110,826.63 and 56,428.38

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Solution

The fourth proportional to 80,281.26, 110,826.63 and 56,428.38 is: 77,898.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,281.26 : 110,826.63 = 56,428.38 : x
  2. Step 2: Convert to fraction form
    80,281.26/110,826.63 = 56,428.38/x
  3. Step 3: Cross multiply
    80,281.26x = 110,826.63 × 56,428.38
  4. Step 4: Simplify right side
    80,281.26x = 6,253,767,191.76
  5. Step 5: Solve for x
    x = 6,253,767,191.76/80,281.26
  6. Step 6: Final answer
    x = 77,898.22

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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.