Home / 71,304.11-98,400.84-39,038.19

Finding the Fourth Proportional to 71,304.11, 98,400.84 and 39,038.19

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Solution

The fourth proportional to 71,304.11, 98,400.84 and 39,038.19 is: 53,873.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,304.11 : 98,400.84 = 39,038.19 : x
  2. Step 2: Convert to fraction form
    71,304.11/98,400.84 = 39,038.19/x
  3. Step 3: Cross multiply
    71,304.11x = 98,400.84 × 39,038.19
  4. Step 4: Simplify right side
    71,304.11x = 3,841,391,203.48
  5. Step 5: Solve for x
    x = 3,841,391,203.48/71,304.11
  6. Step 6: Final answer
    x = 53,873.35

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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.