Home / 86,690.27-130,053.23-39,282.59

Finding the Fourth Proportional to 86,690.27, 130,053.23 and 39,282.59

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Solution

The fourth proportional to 86,690.27, 130,053.23 and 39,282.59 is: 58,931.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,690.27 : 130,053.23 = 39,282.59 : x
  2. Step 2: Convert to fraction form
    86,690.27/130,053.23 = 39,282.59/x
  3. Step 3: Cross multiply
    86,690.27x = 130,053.23 × 39,282.59
  4. Step 4: Simplify right side
    86,690.27x = 5,108,827,712.27
  5. Step 5: Solve for x
    x = 5,108,827,712.27/86,690.27
  6. Step 6: Final answer
    x = 58,931.96

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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.