Home / 88,174.23-121,680.41-47,888.01

Finding the Fourth Proportional to 88,174.23, 121,680.41 and 47,888.01

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Solution

The fourth proportional to 88,174.23, 121,680.41 and 47,888.01 is: 66,085.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,174.23 : 121,680.41 = 47,888.01 : x
  2. Step 2: Convert to fraction form
    88,174.23/121,680.41 = 47,888.01/x
  3. Step 3: Cross multiply
    88,174.23x = 121,680.41 × 47,888.01
  4. Step 4: Simplify right side
    88,174.23x = 5,827,032,690.88
  5. Step 5: Solve for x
    x = 5,827,032,690.88/88,174.23
  6. Step 6: Final answer
    x = 66,085.44

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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.