Home / 78,528.96-117,672.48-48,867.84

Finding the Fourth Proportional to 78,528.96, 117,672.48 and 48,867.84

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Solution

The fourth proportional to 78,528.96, 117,672.48 and 48,867.84 is: 73,226.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,528.96 : 117,672.48 = 48,867.84 : x
  2. Step 2: Convert to fraction form
    78,528.96/117,672.48 = 48,867.84/x
  3. Step 3: Cross multiply
    78,528.96x = 117,672.48 × 48,867.84
  4. Step 4: Simplify right side
    78,528.96x = 5,750,399,925.04
  5. Step 5: Solve for x
    x = 5,750,399,925.04/78,528.96
  6. Step 6: Final answer
    x = 73,226.49

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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.