Home / 97,080.39-133,970.67-54,638.93

Finding the Fourth Proportional to 97,080.39, 133,970.67 and 54,638.93

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Solution

The fourth proportional to 97,080.39, 133,970.67 and 54,638.93 is: 75,401.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,080.39 : 133,970.67 = 54,638.93 : x
  2. Step 2: Convert to fraction form
    97,080.39/133,970.67 = 54,638.93/x
  3. Step 3: Cross multiply
    97,080.39x = 133,970.67 × 54,638.93
  4. Step 4: Simplify right side
    97,080.39x = 7,320,013,390.33
  5. Step 5: Solve for x
    x = 7,320,013,390.33/97,080.39
  6. Step 6: Final answer
    x = 75,401.56

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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.