Home / 69,649.13-96,156.82-42,435.48

Finding the Fourth Proportional to 69,649.13, 96,156.82 and 42,435.48

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Solution

The fourth proportional to 69,649.13, 96,156.82 and 42,435.48 is: 58,585.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,649.13 : 96,156.82 = 42,435.48 : x
  2. Step 2: Convert to fraction form
    69,649.13/96,156.82 = 42,435.48/x
  3. Step 3: Cross multiply
    69,649.13x = 96,156.82 × 42,435.48
  4. Step 4: Simplify right side
    69,649.13x = 4,080,460,811.97
  5. Step 5: Solve for x
    x = 4,080,460,811.97/69,649.13
  6. Step 6: Final answer
    x = 58,585.96

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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.