Home / 71,097.90-98,110.14-39,264.30

Finding the Fourth Proportional to 71,097.90, 98,110.14 and 39,264.30

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Solution

The fourth proportional to 71,097.90, 98,110.14 and 39,264.30 is: 54,181.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,097.90 : 98,110.14 = 39,264.30 : x
  2. Step 2: Convert to fraction form
    71,097.90/98,110.14 = 39,264.30/x
  3. Step 3: Cross multiply
    71,097.90x = 98,110.14 × 39,264.30
  4. Step 4: Simplify right side
    71,097.90x = 3,852,225,970.00
  5. Step 5: Solve for x
    x = 3,852,225,970.00/71,097.90
  6. Step 6: Final answer
    x = 54,181.99

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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.