Home / 85,319.36-127,970.40-22,996.16

Finding the Fourth Proportional to 85,319.36, 127,970.40 and 22,996.16

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Solution

The fourth proportional to 85,319.36, 127,970.40 and 22,996.16 is: 34,491.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,319.36 : 127,970.40 = 22,996.16 : x
  2. Step 2: Convert to fraction form
    85,319.36/127,970.40 = 22,996.16/x
  3. Step 3: Cross multiply
    85,319.36x = 127,970.40 × 22,996.16
  4. Step 4: Simplify right side
    85,319.36x = 2,942,827,793.66
  5. Step 5: Solve for x
    x = 2,942,827,793.66/85,319.36
  6. Step 6: Final answer
    x = 34,491.91

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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.