Home / 85,303.94-117,681.40-49,473.18

Finding the Fourth Proportional to 85,303.94, 117,681.40 and 49,473.18

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Solution

The fourth proportional to 85,303.94, 117,681.40 and 49,473.18 is: 68,250.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,303.94 : 117,681.40 = 49,473.18 : x
  2. Step 2: Convert to fraction form
    85,303.94/117,681.40 = 49,473.18/x
  3. Step 3: Cross multiply
    85,303.94x = 117,681.40 × 49,473.18
  4. Step 4: Simplify right side
    85,303.94x = 5,822,073,084.85
  5. Step 5: Solve for x
    x = 5,822,073,084.85/85,303.94
  6. Step 6: Final answer
    x = 68,250.93

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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.