Home / 71,207.16-98,266.54-39,376.59

Finding the Fourth Proportional to 71,207.16, 98,266.54 and 39,376.59

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Solution

The fourth proportional to 71,207.16, 98,266.54 and 39,376.59 is: 54,340.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,207.16 : 98,266.54 = 39,376.59 : x
  2. Step 2: Convert to fraction form
    71,207.16/98,266.54 = 39,376.59/x
  3. Step 3: Cross multiply
    71,207.16x = 98,266.54 × 39,376.59
  4. Step 4: Simplify right side
    71,207.16x = 3,869,401,674.02
  5. Step 5: Solve for x
    x = 3,869,401,674.02/71,207.16
  6. Step 6: Final answer
    x = 54,340.06

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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.