Home / 86,348.23-129,423.93-39,502.69

Finding the Fourth Proportional to 86,348.23, 129,423.93 and 39,502.69

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Solution

The fourth proportional to 86,348.23, 129,423.93 and 39,502.69 is: 59,209.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,348.23 : 129,423.93 = 39,502.69 : x
  2. Step 2: Convert to fraction form
    86,348.23/129,423.93 = 39,502.69/x
  3. Step 3: Cross multiply
    86,348.23x = 129,423.93 × 39,502.69
  4. Step 4: Simplify right side
    86,348.23x = 5,112,592,913.68
  5. Step 5: Solve for x
    x = 5,112,592,913.68/86,348.23
  6. Step 6: Final answer
    x = 59,209.01

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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.