Home / 115,787.70-173,681.55-49,211.10

Finding the Fourth Proportional to 115,787.70, 173,681.55 and 49,211.10

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Solution

The fourth proportional to 115,787.70, 173,681.55 and 49,211.10 is: 73,816.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,787.70 : 173,681.55 = 49,211.10 : x
  2. Step 2: Convert to fraction form
    115,787.70/173,681.55 = 49,211.10/x
  3. Step 3: Cross multiply
    115,787.70x = 173,681.55 × 49,211.10
  4. Step 4: Simplify right side
    115,787.70x = 8,547,060,125.21
  5. Step 5: Solve for x
    x = 8,547,060,125.21/115,787.70
  6. Step 6: Final answer
    x = 73,816.65

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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.