Home / 86,788.68-119,779.46-48,550.35

Finding the Fourth Proportional to 86,788.68, 119,779.46 and 48,550.35

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Solution

The fourth proportional to 86,788.68, 119,779.46 and 48,550.35 is: 67,005.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,788.68 : 119,779.46 = 48,550.35 : x
  2. Step 2: Convert to fraction form
    86,788.68/119,779.46 = 48,550.35/x
  3. Step 3: Cross multiply
    86,788.68x = 119,779.46 × 48,550.35
  4. Step 4: Simplify right side
    86,788.68x = 5,815,334,705.81
  5. Step 5: Solve for x
    x = 5,815,334,705.81/86,788.68
  6. Step 6: Final answer
    x = 67,005.68

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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.