Home / 91,865.14-137,744.08-35,639.55

Finding the Fourth Proportional to 91,865.14, 137,744.08 and 35,639.55

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Solution

The fourth proportional to 91,865.14, 137,744.08 and 35,639.55 is: 53,438.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,865.14 : 137,744.08 = 35,639.55 : x
  2. Step 2: Convert to fraction form
    91,865.14/137,744.08 = 35,639.55/x
  3. Step 3: Cross multiply
    91,865.14x = 137,744.08 × 35,639.55
  4. Step 4: Simplify right side
    91,865.14x = 4,909,137,026.36
  5. Step 5: Solve for x
    x = 4,909,137,026.36/91,865.14
  6. Step 6: Final answer
    x = 53,438.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.