Home / 84,896.10-127,259.10-42,711.30

Finding the Fourth Proportional to 84,896.10, 127,259.10 and 42,711.30

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Solution

The fourth proportional to 84,896.10, 127,259.10 and 42,711.30 is: 64,024.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,896.10 : 127,259.10 = 42,711.30 : x
  2. Step 2: Convert to fraction form
    84,896.10/127,259.10 = 42,711.30/x
  3. Step 3: Cross multiply
    84,896.10x = 127,259.10 × 42,711.30
  4. Step 4: Simplify right side
    84,896.10x = 5,435,401,597.83
  5. Step 5: Solve for x
    x = 5,435,401,597.83/84,896.10
  6. Step 6: Final answer
    x = 64,024.16

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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.