Home / 84,725.20-127,088.71-25,561.38

Finding the Fourth Proportional to 84,725.20, 127,088.71 and 25,561.38

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Solution

The fourth proportional to 84,725.20, 127,088.71 and 25,561.38 is: 38,342.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,725.20 : 127,088.71 = 25,561.38 : x
  2. Step 2: Convert to fraction form
    84,725.20/127,088.71 = 25,561.38/x
  3. Step 3: Cross multiply
    84,725.20x = 127,088.71 × 25,561.38
  4. Step 4: Simplify right side
    84,725.20x = 3,248,562,682.21
  5. Step 5: Solve for x
    x = 3,248,562,682.21/84,725.20
  6. Step 6: Final answer
    x = 38,342.35

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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.