Home / 82,948.16-124,441.68-36,214.40

Finding the Fourth Proportional to 82,948.16, 124,441.68 and 36,214.40

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Solution

The fourth proportional to 82,948.16, 124,441.68 and 36,214.40 is: 54,330.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,948.16 : 124,441.68 = 36,214.40 : x
  2. Step 2: Convert to fraction form
    82,948.16/124,441.68 = 36,214.40/x
  3. Step 3: Cross multiply
    82,948.16x = 124,441.68 × 36,214.40
  4. Step 4: Simplify right side
    82,948.16x = 4,506,580,776.19
  5. Step 5: Solve for x
    x = 4,506,580,776.19/82,948.16
  6. Step 6: Final answer
    x = 54,330.09

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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.