Home / 80,689.13-111,353.67-44,392.08

Finding the Fourth Proportional to 80,689.13, 111,353.67 and 44,392.08

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Solution

The fourth proportional to 80,689.13, 111,353.67 and 44,392.08 is: 61,262.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,689.13 : 111,353.67 = 44,392.08 : x
  2. Step 2: Convert to fraction form
    80,689.13/111,353.67 = 44,392.08/x
  3. Step 3: Cross multiply
    80,689.13x = 111,353.67 × 44,392.08
  4. Step 4: Simplify right side
    80,689.13x = 4,943,221,444.51
  5. Step 5: Solve for x
    x = 4,943,221,444.51/80,689.13
  6. Step 6: Final answer
    x = 61,262.55

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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.