Home / 115,905.30-173,717.55-49,205.40

Finding the Fourth Proportional to 115,905.30, 173,717.55 and 49,205.40

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Solution

The fourth proportional to 115,905.30, 173,717.55 and 49,205.40 is: 73,748.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,905.30 : 173,717.55 = 49,205.40 : x
  2. Step 2: Convert to fraction form
    115,905.30/173,717.55 = 49,205.40/x
  3. Step 3: Cross multiply
    115,905.30x = 173,717.55 × 49,205.40
  4. Step 4: Simplify right side
    115,905.30x = 8,547,841,534.77
  5. Step 5: Solve for x
    x = 8,547,841,534.77/115,905.30
  6. Step 6: Final answer
    x = 73,748.50

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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.