Home / 88,267.31-121,805.52-47,980.23

Finding the Fourth Proportional to 88,267.31, 121,805.52 and 47,980.23

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Solution

The fourth proportional to 88,267.31, 121,805.52 and 47,980.23 is: 66,210.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,267.31 : 121,805.52 = 47,980.23 : x
  2. Step 2: Convert to fraction form
    88,267.31/121,805.52 = 47,980.23/x
  3. Step 3: Cross multiply
    88,267.31x = 121,805.52 × 47,980.23
  4. Step 4: Simplify right side
    88,267.31x = 5,844,256,864.87
  5. Step 5: Solve for x
    x = 5,844,256,864.87/88,267.31
  6. Step 6: Final answer
    x = 66,210.89

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1.5x scale

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.