Home / 107,838.67-148,817.96-62,543.50

Finding the Fourth Proportional to 107,838.67, 148,817.96 and 62,543.50

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Solution

The fourth proportional to 107,838.67, 148,817.96 and 62,543.50 is: 86,310.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,838.67 : 148,817.96 = 62,543.50 : x
  2. Step 2: Convert to fraction form
    107,838.67/148,817.96 = 62,543.50/x
  3. Step 3: Cross multiply
    107,838.67x = 148,817.96 × 62,543.50
  4. Step 4: Simplify right side
    107,838.67x = 9,307,596,081.26
  5. Step 5: Solve for x
    x = 9,307,596,081.26/107,838.67
  6. Step 6: Final answer
    x = 86,310.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.