Home / 80,547.20-111,150.40-44,735.12

Finding the Fourth Proportional to 80,547.20, 111,150.40 and 44,735.12

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Solution

The fourth proportional to 80,547.20, 111,150.40 and 44,735.12 is: 61,731.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,547.20 : 111,150.40 = 44,735.12 : x
  2. Step 2: Convert to fraction form
    80,547.20/111,150.40 = 44,735.12/x
  3. Step 3: Cross multiply
    80,547.20x = 111,150.40 × 44,735.12
  4. Step 4: Simplify right side
    80,547.20x = 4,972,326,482.05
  5. Step 5: Solve for x
    x = 4,972,326,482.05/80,547.20
  6. Step 6: Final answer
    x = 61,731.84

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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.