Home / 86,332.81-129,465.18-41,946.43

Finding the Fourth Proportional to 86,332.81, 129,465.18 and 41,946.43

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Solution

The fourth proportional to 86,332.81, 129,465.18 and 41,946.43 is: 62,903.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,332.81 : 129,465.18 = 41,946.43 : x
  2. Step 2: Convert to fraction form
    86,332.81/129,465.18 = 41,946.43/x
  3. Step 3: Cross multiply
    86,332.81x = 129,465.18 × 41,946.43
  4. Step 4: Simplify right side
    86,332.81x = 5,430,602,110.31
  5. Step 5: Solve for x
    x = 5,430,602,110.31/86,332.81
  6. Step 6: Final answer
    x = 62,903.11

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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.