Home / 84,724.80-127,107.32-25,561.05

Finding the Fourth Proportional to 84,724.80, 127,107.32 and 25,561.05

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Solution

The fourth proportional to 84,724.80, 127,107.32 and 25,561.05 is: 38,347.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,724.80 : 127,107.32 = 25,561.05 : x
  2. Step 2: Convert to fraction form
    84,724.80/127,107.32 = 25,561.05/x
  3. Step 3: Cross multiply
    84,724.80x = 127,107.32 × 25,561.05
  4. Step 4: Simplify right side
    84,724.80x = 3,248,996,434.08
  5. Step 5: Solve for x
    x = 3,248,996,434.08/84,724.80
  6. Step 6: Final answer
    x = 38,347.64

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1.5x scale

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.