Home / 77,488.29-106,919.69-43,492.14

Finding the Fourth Proportional to 77,488.29, 106,919.69 and 43,492.14

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Solution

The fourth proportional to 77,488.29, 106,919.69 and 43,492.14 is: 60,011.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,488.29 : 106,919.69 = 43,492.14 : x
  2. Step 2: Convert to fraction form
    77,488.29/106,919.69 = 43,492.14/x
  3. Step 3: Cross multiply
    77,488.29x = 106,919.69 × 43,492.14
  4. Step 4: Simplify right side
    77,488.29x = 4,650,165,908.78
  5. Step 5: Solve for x
    x = 4,650,165,908.78/77,488.29
  6. Step 6: Final answer
    x = 60,011.21

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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.