Home / 107,936.48-148,970.28-62,641.28

Finding the Fourth Proportional to 107,936.48, 148,970.28 and 62,641.28

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Solution

The fourth proportional to 107,936.48, 148,970.28 and 62,641.28 is: 86,455.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,936.48 : 148,970.28 = 62,641.28 : x
  2. Step 2: Convert to fraction form
    107,936.48/148,970.28 = 62,641.28/x
  3. Step 3: Cross multiply
    107,936.48x = 148,970.28 × 62,641.28
  4. Step 4: Simplify right side
    107,936.48x = 9,331,689,021.16
  5. Step 5: Solve for x
    x = 9,331,689,021.16/107,936.48
  6. Step 6: Final answer
    x = 86,455.38

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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.