Home / 107,835.23-148,823.69-64,828.64

Finding the Fourth Proportional to 107,835.23, 148,823.69 and 64,828.64

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Solution

The fourth proportional to 107,835.23, 148,823.69 and 64,828.64 is: 89,470.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,835.23 : 148,823.69 = 64,828.64 : x
  2. Step 2: Convert to fraction form
    107,835.23/148,823.69 = 64,828.64/x
  3. Step 3: Cross multiply
    107,835.23x = 148,823.69 × 64,828.64
  4. Step 4: Simplify right side
    107,835.23x = 9,648,037,422.48
  5. Step 5: Solve for x
    x = 9,648,037,422.48/107,835.23
  6. Step 6: Final answer
    x = 89,470.18

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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.