Home / 90,580.32-125,027.28-60,409.44

Finding the Fourth Proportional to 90,580.32, 125,027.28 and 60,409.44

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Solution

The fourth proportional to 90,580.32, 125,027.28 and 60,409.44 is: 83,382.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,580.32 : 125,027.28 = 60,409.44 : x
  2. Step 2: Convert to fraction form
    90,580.32/125,027.28 = 60,409.44/x
  3. Step 3: Cross multiply
    90,580.32x = 125,027.28 × 60,409.44
  4. Step 4: Simplify right side
    90,580.32x = 7,552,827,969.52
  5. Step 5: Solve for x
    x = 7,552,827,969.52/90,580.32
  6. Step 6: Final answer
    x = 83,382.66

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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.