Home / 79,746.27-119,619.53-74,874.72

Finding the Fourth Proportional to 79,746.27, 119,619.53 and 74,874.72

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Solution

The fourth proportional to 79,746.27, 119,619.53 and 74,874.72 is: 112,312.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,746.27 : 119,619.53 = 74,874.72 : x
  2. Step 2: Convert to fraction form
    79,746.27/119,619.53 = 74,874.72/x
  3. Step 3: Cross multiply
    79,746.27x = 119,619.53 × 74,874.72
  4. Step 4: Simplify right side
    79,746.27x = 8,956,478,815.28
  5. Step 5: Solve for x
    x = 8,956,478,815.28/79,746.27
  6. Step 6: Final answer
    x = 112,312.20

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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.