Home / 101,470.48-140,029.44-56,150.38

Finding the Fourth Proportional to 101,470.48, 140,029.44 and 56,150.38

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Solution

The fourth proportional to 101,470.48, 140,029.44 and 56,150.38 is: 77,487.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,470.48 : 140,029.44 = 56,150.38 : x
  2. Step 2: Convert to fraction form
    101,470.48/140,029.44 = 56,150.38/x
  3. Step 3: Cross multiply
    101,470.48x = 140,029.44 × 56,150.38
  4. Step 4: Simplify right side
    101,470.48x = 7,862,706,267.19
  5. Step 5: Solve for x
    x = 7,862,706,267.19/101,470.48
  6. Step 6: Final answer
    x = 77,487.62

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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.