Home / 79,439.12-119,175.10-23,281.07

Finding the Fourth Proportional to 79,439.12, 119,175.10 and 23,281.07

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Solution

The fourth proportional to 79,439.12, 119,175.10 and 23,281.07 is: 34,926.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,439.12 : 119,175.10 = 23,281.07 : x
  2. Step 2: Convert to fraction form
    79,439.12/119,175.10 = 23,281.07/x
  3. Step 3: Cross multiply
    79,439.12x = 119,175.10 × 23,281.07
  4. Step 4: Simplify right side
    79,439.12x = 2,774,523,638.19
  5. Step 5: Solve for x
    x = 2,774,523,638.19/79,439.12
  6. Step 6: Final answer
    x = 34,926.41

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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.