Home / 90,359.65-124,690.67-50,071.06

Finding the Fourth Proportional to 90,359.65, 124,690.67 and 50,071.06

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Solution

The fourth proportional to 90,359.65, 124,690.67 and 50,071.06 is: 69,094.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,359.65 : 124,690.67 = 50,071.06 : x
  2. Step 2: Convert to fraction form
    90,359.65/124,690.67 = 50,071.06/x
  3. Step 3: Cross multiply
    90,359.65x = 124,690.67 × 50,071.06
  4. Step 4: Simplify right side
    90,359.65x = 6,243,393,395.56
  5. Step 5: Solve for x
    x = 6,243,393,395.56/90,359.65
  6. Step 6: Final answer
    x = 69,094.93

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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.