Home / 71,011.73-97,996.12-39,180.63

Finding the Fourth Proportional to 71,011.73, 97,996.12 and 39,180.63

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Solution

The fourth proportional to 71,011.73, 97,996.12 and 39,180.63 is: 54,069.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,011.73 : 97,996.12 = 39,180.63 : x
  2. Step 2: Convert to fraction form
    71,011.73/97,996.12 = 39,180.63/x
  3. Step 3: Cross multiply
    71,011.73x = 97,996.12 × 39,180.63
  4. Step 4: Simplify right side
    71,011.73x = 3,839,549,437.46
  5. Step 5: Solve for x
    x = 3,839,549,437.46/71,011.73
  6. Step 6: Final answer
    x = 54,069.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.