Home / 85,335.16-127,818.04-55,662.96

Finding the Fourth Proportional to 85,335.16, 127,818.04 and 55,662.96

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Solution

The fourth proportional to 85,335.16, 127,818.04 and 55,662.96 is: 83,373.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,335.16 : 127,818.04 = 55,662.96 : x
  2. Step 2: Convert to fraction form
    85,335.16/127,818.04 = 55,662.96/x
  3. Step 3: Cross multiply
    85,335.16x = 127,818.04 × 55,662.96
  4. Step 4: Simplify right side
    85,335.16x = 7,114,730,447.80
  5. Step 5: Solve for x
    x = 7,114,730,447.80/85,335.16
  6. Step 6: Final answer
    x = 83,373.96

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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.