Home / 71,415.05-98,549.93-39,148.97

Finding the Fourth Proportional to 71,415.05, 98,549.93 and 39,148.97

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Solution

The fourth proportional to 71,415.05, 98,549.93 and 39,148.97 is: 54,024.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,415.05 : 98,549.93 = 39,148.97 : x
  2. Step 2: Convert to fraction form
    71,415.05/98,549.93 = 39,148.97/x
  3. Step 3: Cross multiply
    71,415.05x = 98,549.93 × 39,148.97
  4. Step 4: Simplify right side
    71,415.05x = 3,858,127,858.19
  5. Step 5: Solve for x
    x = 3,858,127,858.19/71,415.05
  6. Step 6: Final answer
    x = 54,024.02

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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.