Home / 88,265.42-121,807.69-47,979.26

Finding the Fourth Proportional to 88,265.42, 121,807.69 and 47,979.26

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Solution

The fourth proportional to 88,265.42, 121,807.69 and 47,979.26 is: 66,212.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,265.42 : 121,807.69 = 47,979.26 : x
  2. Step 2: Convert to fraction form
    88,265.42/121,807.69 = 47,979.26/x
  3. Step 3: Cross multiply
    88,265.42x = 121,807.69 × 47,979.26
  4. Step 4: Simplify right side
    88,265.42x = 5,844,242,219.47
  5. Step 5: Solve for x
    x = 5,844,242,219.47/88,265.42
  6. Step 6: Final answer
    x = 66,212.14

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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.