Home / 77,944.55-116,947.71-40,528.22

Finding the Fourth Proportional to 77,944.55, 116,947.71 and 40,528.22

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Solution

The fourth proportional to 77,944.55, 116,947.71 and 40,528.22 is: 60,808.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,944.55 : 116,947.71 = 40,528.22 : x
  2. Step 2: Convert to fraction form
    77,944.55/116,947.71 = 40,528.22/x
  3. Step 3: Cross multiply
    77,944.55x = 116,947.71 × 40,528.22
  4. Step 4: Simplify right side
    77,944.55x = 4,739,681,934.64
  5. Step 5: Solve for x
    x = 4,739,681,934.64/77,944.55
  6. Step 6: Final answer
    x = 60,808.39

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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.