Home / 85,298.04-127,947.06-43,718.52

Finding the Fourth Proportional to 85,298.04, 127,947.06 and 43,718.52

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Solution

The fourth proportional to 85,298.04, 127,947.06 and 43,718.52 is: 65,577.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,298.04 : 127,947.06 = 43,718.52 : x
  2. Step 2: Convert to fraction form
    85,298.04/127,947.06 = 43,718.52/x
  3. Step 3: Cross multiply
    85,298.04x = 127,947.06 × 43,718.52
  4. Step 4: Simplify right side
    85,298.04x = 5,593,656,101.55
  5. Step 5: Solve for x
    x = 5,593,656,101.55/85,298.04
  6. Step 6: Final answer
    x = 65,577.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.