Home / 95,038.46-142,742.22-69,979.56

Finding the Fourth Proportional to 95,038.46, 142,742.22 and 69,979.56

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Solution

The fourth proportional to 95,038.46, 142,742.22 and 69,979.56 is: 105,105.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,038.46 : 142,742.22 = 69,979.56 : x
  2. Step 2: Convert to fraction form
    95,038.46/142,742.22 = 69,979.56/x
  3. Step 3: Cross multiply
    95,038.46x = 142,742.22 × 69,979.56
  4. Step 4: Simplify right side
    95,038.46x = 9,989,036,951.32
  5. Step 5: Solve for x
    x = 9,989,036,951.32/95,038.46
  6. Step 6: Final answer
    x = 105,105.21

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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.