Home / 55,188.16-82,717.40-25,543.38

Finding the Fourth Proportional to 55,188.16, 82,717.40 and 25,543.38

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Solution

The fourth proportional to 55,188.16, 82,717.40 and 25,543.38 is: 38,285.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,188.16 : 82,717.40 = 25,543.38 : x
  2. Step 2: Convert to fraction form
    55,188.16/82,717.40 = 25,543.38/x
  3. Step 3: Cross multiply
    55,188.16x = 82,717.40 × 25,543.38
  4. Step 4: Simplify right side
    55,188.16x = 2,112,881,980.81
  5. Step 5: Solve for x
    x = 2,112,881,980.81/55,188.16
  6. Step 6: Final answer
    x = 38,285.06

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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.