Home / 107,291.10-148,046.56-64,260.51

Finding the Fourth Proportional to 107,291.10, 148,046.56 and 64,260.51

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Solution

The fourth proportional to 107,291.10, 148,046.56 and 64,260.51 is: 88,670.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,291.10 : 148,046.56 = 64,260.51 : x
  2. Step 2: Convert to fraction form
    107,291.10/148,046.56 = 64,260.51/x
  3. Step 3: Cross multiply
    107,291.10x = 148,046.56 × 64,260.51
  4. Step 4: Simplify right side
    107,291.10x = 9,513,547,449.35
  5. Step 5: Solve for x
    x = 9,513,547,449.35/107,291.10
  6. Step 6: Final answer
    x = 88,670.43

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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.