Home / 71,088.84-98,097.66-39,257.46

Finding the Fourth Proportional to 71,088.84, 98,097.66 and 39,257.46

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Solution

The fourth proportional to 71,088.84, 98,097.66 and 39,257.46 is: 54,172.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,088.84 : 98,097.66 = 39,257.46 : x
  2. Step 2: Convert to fraction form
    71,088.84/98,097.66 = 39,257.46/x
  3. Step 3: Cross multiply
    71,088.84x = 98,097.66 × 39,257.46
  4. Step 4: Simplify right side
    71,088.84x = 3,851,064,963.54
  5. Step 5: Solve for x
    x = 3,851,064,963.54/71,088.84
  6. Step 6: Final answer
    x = 54,172.57

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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.