Home / 97,884.16-135,070.40-55,434.24

Finding the Fourth Proportional to 97,884.16, 135,070.40 and 55,434.24

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Solution

The fourth proportional to 97,884.16, 135,070.40 and 55,434.24 is: 76,493.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,884.16 : 135,070.40 = 55,434.24 : x
  2. Step 2: Convert to fraction form
    97,884.16/135,070.40 = 55,434.24/x
  3. Step 3: Cross multiply
    97,884.16x = 135,070.40 × 55,434.24
  4. Step 4: Simplify right side
    97,884.16x = 7,487,524,970.50
  5. Step 5: Solve for x
    x = 7,487,524,970.50/97,884.16
  6. Step 6: Final answer
    x = 76,493.73

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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.