Home / 71,394.21-98,528.60-39,565.16

Finding the Fourth Proportional to 71,394.21, 98,528.60 and 39,565.16

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Solution

The fourth proportional to 71,394.21, 98,528.60 and 39,565.16 is: 54,602.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,394.21 : 98,528.60 = 39,565.16 : x
  2. Step 2: Convert to fraction form
    71,394.21/98,528.60 = 39,565.16/x
  3. Step 3: Cross multiply
    71,394.21x = 98,528.60 × 39,565.16
  4. Step 4: Simplify right side
    71,394.21x = 3,898,299,799.33
  5. Step 5: Solve for x
    x = 3,898,299,799.33/71,394.21
  6. Step 6: Final answer
    x = 54,602.46

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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.