Home / 97,895.04-135,064.81-54,868.56

Finding the Fourth Proportional to 97,895.04, 135,064.81 and 54,868.56

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Solution

The fourth proportional to 97,895.04, 135,064.81 and 54,868.56 is: 75,701.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,895.04 : 135,064.81 = 54,868.56 : x
  2. Step 2: Convert to fraction form
    97,895.04/135,064.81 = 54,868.56/x
  3. Step 3: Cross multiply
    97,895.04x = 135,064.81 × 54,868.56
  4. Step 4: Simplify right side
    97,895.04x = 7,410,812,294.50
  5. Step 5: Solve for x
    x = 7,410,812,294.50/97,895.04
  6. Step 6: Final answer
    x = 75,701.61

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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.