Home / 86,118.50-118,854.66-48,392.76

Finding the Fourth Proportional to 86,118.50, 118,854.66 and 48,392.76

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Solution

The fourth proportional to 86,118.50, 118,854.66 and 48,392.76 is: 66,788.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,118.50 : 118,854.66 = 48,392.76 : x
  2. Step 2: Convert to fraction form
    86,118.50/118,854.66 = 48,392.76/x
  3. Step 3: Cross multiply
    86,118.50x = 118,854.66 × 48,392.76
  4. Step 4: Simplify right side
    86,118.50x = 5,751,705,036.26
  5. Step 5: Solve for x
    x = 5,751,705,036.26/86,118.50
  6. Step 6: Final answer
    x = 66,788.26

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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.