Home / 107,878.70-148,872.12-62,582.96

Finding the Fourth Proportional to 107,878.70, 148,872.12 and 62,582.96

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Solution

The fourth proportional to 107,878.70, 148,872.12 and 62,582.96 is: 86,364.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,878.70 : 148,872.12 = 62,582.96 : x
  2. Step 2: Convert to fraction form
    107,878.70/148,872.12 = 62,582.96/x
  3. Step 3: Cross multiply
    107,878.70x = 148,872.12 × 62,582.96
  4. Step 4: Simplify right side
    107,878.70x = 9,316,857,931.08
  5. Step 5: Solve for x
    x = 9,316,857,931.08/107,878.70
  6. Step 6: Final answer
    x = 86,364.20

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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.