Home / 58,731.24-81,116.40-38,677.76

Finding the Fourth Proportional to 58,731.24, 81,116.40 and 38,677.76

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Solution

The fourth proportional to 58,731.24, 81,116.40 and 38,677.76 is: 53,419.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,731.24 : 81,116.40 = 38,677.76 : x
  2. Step 2: Convert to fraction form
    58,731.24/81,116.40 = 38,677.76/x
  3. Step 3: Cross multiply
    58,731.24x = 81,116.40 × 38,677.76
  4. Step 4: Simplify right side
    58,731.24x = 3,137,400,651.26
  5. Step 5: Solve for x
    x = 3,137,400,651.26/58,731.24
  6. Step 6: Final answer
    x = 53,419.62

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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.