Home / 97,108.50-134,022.51-54,675.30

Finding the Fourth Proportional to 97,108.50, 134,022.51 and 54,675.30

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Solution

The fourth proportional to 97,108.50, 134,022.51 and 54,675.30 is: 75,459.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,108.50 : 134,022.51 = 54,675.30 : x
  2. Step 2: Convert to fraction form
    97,108.50/134,022.51 = 54,675.30/x
  3. Step 3: Cross multiply
    97,108.50x = 134,022.51 × 54,675.30
  4. Step 4: Simplify right side
    97,108.50x = 7,327,720,941.00
  5. Step 5: Solve for x
    x = 7,327,720,941.00/97,108.50
  6. Step 6: Final answer
    x = 75,459.11

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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.