Home / 56,208.28-77,431.86-48,116.20

Finding the Fourth Proportional to 56,208.28, 77,431.86 and 48,116.20

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Solution

The fourth proportional to 56,208.28, 77,431.86 and 48,116.20 is: 66,284.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,208.28 : 77,431.86 = 48,116.20 : x
  2. Step 2: Convert to fraction form
    56,208.28/77,431.86 = 48,116.20/x
  3. Step 3: Cross multiply
    56,208.28x = 77,431.86 × 48,116.20
  4. Step 4: Simplify right side
    56,208.28x = 3,725,726,862.13
  5. Step 5: Solve for x
    x = 3,725,726,862.13/56,208.28
  6. Step 6: Final answer
    x = 66,284.31

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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.