Home / 79,758.10-119,637.33-74,886.58

Finding the Fourth Proportional to 79,758.10, 119,637.33 and 74,886.58

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Solution

The fourth proportional to 79,758.10, 119,637.33 and 74,886.58 is: 112,330.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,758.10 : 119,637.33 = 74,886.58 : x
  2. Step 2: Convert to fraction form
    79,758.10/119,637.33 = 74,886.58/x
  3. Step 3: Cross multiply
    79,758.10x = 119,637.33 × 74,886.58
  4. Step 4: Simplify right side
    79,758.10x = 8,959,230,484.03
  5. Step 5: Solve for x
    x = 8,959,230,484.03/79,758.10
  6. Step 6: Final answer
    x = 112,330.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.