Home / 69,218.16-95,562.55-45,386.40

Finding the Fourth Proportional to 69,218.16, 95,562.55 and 45,386.40

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Solution

The fourth proportional to 69,218.16, 95,562.55 and 45,386.40 is: 62,660.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,218.16 : 95,562.55 = 45,386.40 : x
  2. Step 2: Convert to fraction form
    69,218.16/95,562.55 = 45,386.40/x
  3. Step 3: Cross multiply
    69,218.16x = 95,562.55 × 45,386.40
  4. Step 4: Simplify right side
    69,218.16x = 4,337,240,119.32
  5. Step 5: Solve for x
    x = 4,337,240,119.32/69,218.16
  6. Step 6: Final answer
    x = 62,660.44

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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.