Home / 97,667.13-134,776.80-55,224.75

Finding the Fourth Proportional to 97,667.13, 134,776.80 and 55,224.75

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Solution

The fourth proportional to 97,667.13, 134,776.80 and 55,224.75 is: 76,207.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,667.13 : 134,776.80 = 55,224.75 : x
  2. Step 2: Convert to fraction form
    97,667.13/134,776.80 = 55,224.75/x
  3. Step 3: Cross multiply
    97,667.13x = 134,776.80 × 55,224.75
  4. Step 4: Simplify right side
    97,667.13x = 7,443,015,085.80
  5. Step 5: Solve for x
    x = 7,443,015,085.80/97,667.13
  6. Step 6: Final answer
    x = 76,207.98

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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.