Home / 97,771.13-134,924.15-55,329.76

Finding the Fourth Proportional to 97,771.13, 134,924.15 and 55,329.76

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Solution

The fourth proportional to 97,771.13, 134,924.15 and 55,329.76 is: 76,355.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,771.13 : 134,924.15 = 55,329.76 : x
  2. Step 2: Convert to fraction form
    97,771.13/134,924.15 = 55,329.76/x
  3. Step 3: Cross multiply
    97,771.13x = 134,924.15 × 55,329.76
  4. Step 4: Simplify right side
    97,771.13x = 7,465,320,638.72
  5. Step 5: Solve for x
    x = 7,465,320,638.72/97,771.13
  6. Step 6: Final answer
    x = 76,355.07

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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.