Home / 98,890.62-148,381.29-53,925.90

Finding the Fourth Proportional to 98,890.62, 148,381.29 and 53,925.90

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Solution

The fourth proportional to 98,890.62, 148,381.29 and 53,925.90 is: 80,913.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,890.62 : 148,381.29 = 53,925.90 : x
  2. Step 2: Convert to fraction form
    98,890.62/148,381.29 = 53,925.90/x
  3. Step 3: Cross multiply
    98,890.62x = 148,381.29 × 53,925.90
  4. Step 4: Simplify right side
    98,890.62x = 8,001,594,606.41
  5. Step 5: Solve for x
    x = 8,001,594,606.41/98,890.62
  6. Step 6: Final answer
    x = 80,913.59

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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.