Home / 70,929.38-97,883.20-39,099.41

Finding the Fourth Proportional to 70,929.38, 97,883.20 and 39,099.41

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Solution

The fourth proportional to 70,929.38, 97,883.20 and 39,099.41 is: 53,957.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,929.38 : 97,883.20 = 39,099.41 : x
  2. Step 2: Convert to fraction form
    70,929.38/97,883.20 = 39,099.41/x
  3. Step 3: Cross multiply
    70,929.38x = 97,883.20 × 39,099.41
  4. Step 4: Simplify right side
    70,929.38x = 3,827,175,368.91
  5. Step 5: Solve for x
    x = 3,827,175,368.91/70,929.38
  6. Step 6: Final answer
    x = 53,957.55

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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.