Home / 97,081.39-133,972.05-54,639.93

Finding the Fourth Proportional to 97,081.39, 133,972.05 and 54,639.93

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Solution

The fourth proportional to 97,081.39, 133,972.05 and 54,639.93 is: 75,402.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,081.39 : 133,972.05 = 54,639.93 : x
  2. Step 2: Convert to fraction form
    97,081.39/133,972.05 = 54,639.93/x
  3. Step 3: Cross multiply
    97,081.39x = 133,972.05 × 54,639.93
  4. Step 4: Simplify right side
    97,081.39x = 7,320,223,433.96
  5. Step 5: Solve for x
    x = 7,320,223,433.96/97,081.39
  6. Step 6: Final answer
    x = 75,402.95

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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.