Home / 107,828.12-148,811.36-59,438.65

Finding the Fourth Proportional to 107,828.12, 148,811.36 and 59,438.65

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Solution

The fourth proportional to 107,828.12, 148,811.36 and 59,438.65 is: 82,030.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,828.12 : 148,811.36 = 59,438.65 : x
  2. Step 2: Convert to fraction form
    107,828.12/148,811.36 = 59,438.65/x
  3. Step 3: Cross multiply
    107,828.12x = 148,811.36 × 59,438.65
  4. Step 4: Simplify right side
    107,828.12x = 8,845,146,705.74
  5. Step 5: Solve for x
    x = 8,845,146,705.74/107,828.12
  6. Step 6: Final answer
    x = 82,030.06

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1.5x scale

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.