Home / 77,747.44-116,547.28-30,392.90

Finding the Fourth Proportional to 77,747.44, 116,547.28 and 30,392.90

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Solution

The fourth proportional to 77,747.44, 116,547.28 and 30,392.90 is: 45,560.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,747.44 : 116,547.28 = 30,392.90 : x
  2. Step 2: Convert to fraction form
    77,747.44/116,547.28 = 30,392.90/x
  3. Step 3: Cross multiply
    77,747.44x = 116,547.28 × 30,392.90
  4. Step 4: Simplify right side
    77,747.44x = 3,542,209,826.31
  5. Step 5: Solve for x
    x = 3,542,209,826.31/77,747.44
  6. Step 6: Final answer
    x = 45,560.47

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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.