Home / 97,887.04-135,081.33-57,591.56

Finding the Fourth Proportional to 97,887.04, 135,081.33 and 57,591.56

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Solution

The fourth proportional to 97,887.04, 135,081.33 and 57,591.56 is: 79,474.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,887.04 : 135,081.33 = 57,591.56 : x
  2. Step 2: Convert to fraction form
    97,887.04/135,081.33 = 57,591.56/x
  3. Step 3: Cross multiply
    97,887.04x = 135,081.33 × 57,591.56
  4. Step 4: Simplify right side
    97,887.04x = 7,779,544,521.57
  5. Step 5: Solve for x
    x = 7,779,544,521.57/97,887.04
  6. Step 6: Final answer
    x = 79,474.71

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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.