Home / 97,003.59-133,854.12-54,561.21

Finding the Fourth Proportional to 97,003.59, 133,854.12 and 54,561.21

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Solution

The fourth proportional to 97,003.59, 133,854.12 and 54,561.21 is: 75,288.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,003.59 : 133,854.12 = 54,561.21 : x
  2. Step 2: Convert to fraction form
    97,003.59/133,854.12 = 54,561.21/x
  3. Step 3: Cross multiply
    97,003.59x = 133,854.12 × 54,561.21
  4. Step 4: Simplify right side
    97,003.59x = 7,303,242,750.69
  5. Step 5: Solve for x
    x = 7,303,242,750.69/97,003.59
  6. Step 6: Final answer
    x = 75,288.38

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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.