Home / 80,430.13-111,006.87-44,631.69

Finding the Fourth Proportional to 80,430.13, 111,006.87 and 44,631.69

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Solution

The fourth proportional to 80,430.13, 111,006.87 and 44,631.69 is: 61,599.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,430.13 : 111,006.87 = 44,631.69 : x
  2. Step 2: Convert to fraction form
    80,430.13/111,006.87 = 44,631.69/x
  3. Step 3: Cross multiply
    80,430.13x = 111,006.87 × 44,631.69
  4. Step 4: Simplify right side
    80,430.13x = 4,954,424,209.71
  5. Step 5: Solve for x
    x = 4,954,424,209.71/80,430.13
  6. Step 6: Final answer
    x = 61,599.11

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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.