Home / 81,193.24-112,047.12-45,384.76

Finding the Fourth Proportional to 81,193.24, 112,047.12 and 45,384.76

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Solution

The fourth proportional to 81,193.24, 112,047.12 and 45,384.76 is: 62,631.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,193.24 : 112,047.12 = 45,384.76 : x
  2. Step 2: Convert to fraction form
    81,193.24/112,047.12 = 45,384.76/x
  3. Step 3: Cross multiply
    81,193.24x = 112,047.12 × 45,384.76
  4. Step 4: Simplify right side
    81,193.24x = 5,085,231,649.89
  5. Step 5: Solve for x
    x = 5,085,231,649.89/81,193.24
  6. Step 6: Final answer
    x = 62,631.22

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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.