Home / 91,684.80-137,397.44-39,041.28

Finding the Fourth Proportional to 91,684.80, 137,397.44 and 39,041.28

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Solution

The fourth proportional to 91,684.80, 137,397.44 and 39,041.28 is: 58,506.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,684.80 : 137,397.44 = 39,041.28 : x
  2. Step 2: Convert to fraction form
    91,684.80/137,397.44 = 39,041.28/x
  3. Step 3: Cross multiply
    91,684.80x = 137,397.44 × 39,041.28
  4. Step 4: Simplify right side
    91,684.80x = 5,364,171,926.32
  5. Step 5: Solve for x
    x = 5,364,171,926.32/91,684.80
  6. Step 6: Final answer
    x = 58,506.67

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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.