Home / 107,966.63-148,953.78-62,619.18

Finding the Fourth Proportional to 107,966.63, 148,953.78 and 62,619.18

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Solution

The fourth proportional to 107,966.63, 148,953.78 and 62,619.18 is: 86,391.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,966.63 : 148,953.78 = 62,619.18 : x
  2. Step 2: Convert to fraction form
    107,966.63/148,953.78 = 62,619.18/x
  3. Step 3: Cross multiply
    107,966.63x = 148,953.78 × 62,619.18
  4. Step 4: Simplify right side
    107,966.63x = 9,327,363,561.50
  5. Step 5: Solve for x
    x = 9,327,363,561.50/107,966.63
  6. Step 6: Final answer
    x = 86,391.17

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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.