Home / 75,191.48-103,717.32-48,368.96

Finding the Fourth Proportional to 75,191.48, 103,717.32 and 48,368.96

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Solution

The fourth proportional to 75,191.48, 103,717.32 and 48,368.96 is: 66,718.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,191.48 : 103,717.32 = 48,368.96 : x
  2. Step 2: Convert to fraction form
    75,191.48/103,717.32 = 48,368.96/x
  3. Step 3: Cross multiply
    75,191.48x = 103,717.32 × 48,368.96
  4. Step 4: Simplify right side
    75,191.48x = 5,016,698,902.39
  5. Step 5: Solve for x
    x = 5,016,698,902.39/75,191.48
  6. Step 6: Final answer
    x = 66,718.98

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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.