Home / 69,188.61-103,782.93-31,723.95

Finding the Fourth Proportional to 69,188.61, 103,782.93 and 31,723.95

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Solution

The fourth proportional to 69,188.61, 103,782.93 and 31,723.95 is: 47,585.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,188.61 : 103,782.93 = 31,723.95 : x
  2. Step 2: Convert to fraction form
    69,188.61/103,782.93 = 31,723.95/x
  3. Step 3: Cross multiply
    69,188.61x = 103,782.93 × 31,723.95
  4. Step 4: Simplify right side
    69,188.61x = 3,292,404,482.17
  5. Step 5: Solve for x
    x = 3,292,404,482.17/69,188.61
  6. Step 6: Final answer
    x = 47,585.93

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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.