Home / 97,875.10-135,077.06-54,854.38

Finding the Fourth Proportional to 97,875.10, 135,077.06 and 54,854.38

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Solution

The fourth proportional to 97,875.10, 135,077.06 and 54,854.38 is: 75,704.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,875.10 : 135,077.06 = 54,854.38 : x
  2. Step 2: Convert to fraction form
    97,875.10/135,077.06 = 54,854.38/x
  3. Step 3: Cross multiply
    97,875.10x = 135,077.06 × 54,854.38
  4. Step 4: Simplify right side
    97,875.10x = 7,409,567,428.87
  5. Step 5: Solve for x
    x = 7,409,567,428.87/97,875.10
  6. Step 6: Final answer
    x = 75,704.32

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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.