Home / 115,663.04-173,376.40-65,637.48

Finding the Fourth Proportional to 115,663.04, 173,376.40 and 65,637.48

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Solution

The fourth proportional to 115,663.04, 173,376.40 and 65,637.48 is: 98,389.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,663.04 : 173,376.40 = 65,637.48 : x
  2. Step 2: Convert to fraction form
    115,663.04/173,376.40 = 65,637.48/x
  3. Step 3: Cross multiply
    115,663.04x = 173,376.40 × 65,637.48
  4. Step 4: Simplify right side
    115,663.04x = 11,379,989,987.47
  5. Step 5: Solve for x
    x = 11,379,989,987.47/115,663.04
  6. Step 6: Final answer
    x = 98,389.17

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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.