Home / 118,421.66-177,758.96-50,987.07

Finding the Fourth Proportional to 118,421.66, 177,758.96 and 50,987.07

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Solution

The fourth proportional to 118,421.66, 177,758.96 and 50,987.07 is: 76,535.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,421.66 : 177,758.96 = 50,987.07 : x
  2. Step 2: Convert to fraction form
    118,421.66/177,758.96 = 50,987.07/x
  3. Step 3: Cross multiply
    118,421.66x = 177,758.96 × 50,987.07
  4. Step 4: Simplify right side
    118,421.66x = 9,063,408,281.71
  5. Step 5: Solve for x
    x = 9,063,408,281.71/118,421.66
  6. Step 6: Final answer
    x = 76,535.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.