Home / 84,834.80-127,252.20-42,844.40

Finding the Fourth Proportional to 84,834.80, 127,252.20 and 42,844.40

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Solution

The fourth proportional to 84,834.80, 127,252.20 and 42,844.40 is: 64,266.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,834.80 : 127,252.20 = 42,844.40 : x
  2. Step 2: Convert to fraction form
    84,834.80/127,252.20 = 42,844.40/x
  3. Step 3: Cross multiply
    84,834.80x = 127,252.20 × 42,844.40
  4. Step 4: Simplify right side
    84,834.80x = 5,452,044,157.68
  5. Step 5: Solve for x
    x = 5,452,044,157.68/84,834.80
  6. Step 6: Final answer
    x = 64,266.60

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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.