Home / 80,547.49-111,152.45-44,739.79

Finding the Fourth Proportional to 80,547.49, 111,152.45 and 44,739.79

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Solution

The fourth proportional to 80,547.49, 111,152.45 and 44,739.79 is: 61,739.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,547.49 : 111,152.45 = 44,739.79 : x
  2. Step 2: Convert to fraction form
    80,547.49/111,152.45 = 44,739.79/x
  3. Step 3: Cross multiply
    80,547.49x = 111,152.45 × 44,739.79
  4. Step 4: Simplify right side
    80,547.49x = 4,972,936,491.52
  5. Step 5: Solve for x
    x = 4,972,936,491.52/80,547.49
  6. Step 6: Final answer
    x = 61,739.18

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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.