Home / 86,364.29-129,563.92-36,444.51

Finding the Fourth Proportional to 86,364.29, 129,563.92 and 36,444.51

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Solution

The fourth proportional to 86,364.29, 129,563.92 and 36,444.51 is: 54,674.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,364.29 : 129,563.92 = 36,444.51 : x
  2. Step 2: Convert to fraction form
    86,364.29/129,563.92 = 36,444.51/x
  3. Step 3: Cross multiply
    86,364.29x = 129,563.92 × 36,444.51
  4. Step 4: Simplify right side
    86,364.29x = 4,721,893,578.08
  5. Step 5: Solve for x
    x = 4,721,893,578.08/86,364.29
  6. Step 6: Final answer
    x = 54,674.14

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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.