Home / 82,928.10-124,424.55-30,341.70

Finding the Fourth Proportional to 82,928.10, 124,424.55 and 30,341.70

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Solution

The fourth proportional to 82,928.10, 124,424.55 and 30,341.70 is: 45,524.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,928.10 : 124,424.55 = 30,341.70 : x
  2. Step 2: Convert to fraction form
    82,928.10/124,424.55 = 30,341.70/x
  3. Step 3: Cross multiply
    82,928.10x = 124,424.55 × 30,341.70
  4. Step 4: Simplify right side
    82,928.10x = 3,775,252,368.74
  5. Step 5: Solve for x
    x = 3,775,252,368.74/82,928.10
  6. Step 6: Final answer
    x = 45,524.40

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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.