Home / 115,904.90-173,814.15-45,769.70

Finding the Fourth Proportional to 115,904.90, 173,814.15 and 45,769.70

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Solution

The fourth proportional to 115,904.90, 173,814.15 and 45,769.70 is: 68,637.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,904.90 : 173,814.15 = 45,769.70 : x
  2. Step 2: Convert to fraction form
    115,904.90/173,814.15 = 45,769.70/x
  3. Step 3: Cross multiply
    115,904.90x = 173,814.15 × 45,769.70
  4. Step 4: Simplify right side
    115,904.90x = 7,955,421,501.26
  5. Step 5: Solve for x
    x = 7,955,421,501.26/115,904.90
  6. Step 6: Final answer
    x = 68,637.49

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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.