Home / 77,916.60-107,528.04-43,926.35

Finding the Fourth Proportional to 77,916.60, 107,528.04 and 43,926.35

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Solution

The fourth proportional to 77,916.60, 107,528.04 and 43,926.35 is: 60,620.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,916.60 : 107,528.04 = 43,926.35 : x
  2. Step 2: Convert to fraction form
    77,916.60/107,528.04 = 43,926.35/x
  3. Step 3: Cross multiply
    77,916.60x = 107,528.04 × 43,926.35
  4. Step 4: Simplify right side
    77,916.60x = 4,723,313,782.21
  5. Step 5: Solve for x
    x = 4,723,313,782.21/77,916.60
  6. Step 6: Final answer
    x = 60,620.12

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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.