Home / 84,701.08-127,056.90-28,536.52

Finding the Fourth Proportional to 84,701.08, 127,056.90 and 28,536.52

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Solution

The fourth proportional to 84,701.08, 127,056.90 and 28,536.52 is: 42,806.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,701.08 : 127,056.90 = 28,536.52 : x
  2. Step 2: Convert to fraction form
    84,701.08/127,056.90 = 28,536.52/x
  3. Step 3: Cross multiply
    84,701.08x = 127,056.90 × 28,536.52
  4. Step 4: Simplify right side
    84,701.08x = 3,625,761,767.99
  5. Step 5: Solve for x
    x = 3,625,761,767.99/84,701.08
  6. Step 6: Final answer
    x = 42,806.56

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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.