Home / 91,802.23-137,644.14-38,531.52

Finding the Fourth Proportional to 91,802.23, 137,644.14 and 38,531.52

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Solution

The fourth proportional to 91,802.23, 137,644.14 and 38,531.52 is: 57,772.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,802.23 : 137,644.14 = 38,531.52 : x
  2. Step 2: Convert to fraction form
    91,802.23/137,644.14 = 38,531.52/x
  3. Step 3: Cross multiply
    91,802.23x = 137,644.14 × 38,531.52
  4. Step 4: Simplify right side
    91,802.23x = 5,303,638,383.63
  5. Step 5: Solve for x
    x = 5,303,638,383.63/91,802.23
  6. Step 6: Final answer
    x = 57,772.44

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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.