Home / 81,698.10-122,547.15-44,276.10

Finding the Fourth Proportional to 81,698.10, 122,547.15 and 44,276.10

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Solution

The fourth proportional to 81,698.10, 122,547.15 and 44,276.10 is: 66,414.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,698.10 : 122,547.15 = 44,276.10 : x
  2. Step 2: Convert to fraction form
    81,698.10/122,547.15 = 44,276.10/x
  3. Step 3: Cross multiply
    81,698.10x = 122,547.15 × 44,276.10
  4. Step 4: Simplify right side
    81,698.10x = 5,425,909,868.12
  5. Step 5: Solve for x
    x = 5,425,909,868.12/81,698.10
  6. Step 6: Final answer
    x = 66,414.15

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1.5x scale

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.