Home / 84,071.31-126,074.15-36,700.89

Finding the Fourth Proportional to 84,071.31, 126,074.15 and 36,700.89

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Solution

The fourth proportional to 84,071.31, 126,074.15 and 36,700.89 is: 55,037.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,071.31 : 126,074.15 = 36,700.89 : x
  2. Step 2: Convert to fraction form
    84,071.31/126,074.15 = 36,700.89/x
  3. Step 3: Cross multiply
    84,071.31x = 126,074.15 × 36,700.89
  4. Step 4: Simplify right side
    84,071.31x = 4,627,033,510.99
  5. Step 5: Solve for x
    x = 4,627,033,510.99/84,071.31
  6. Step 6: Final answer
    x = 55,037.01

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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.