Home / 84,725.16-127,088.66-25,561.34

Finding the Fourth Proportional to 84,725.16, 127,088.66 and 25,561.34

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Solution

The fourth proportional to 84,725.16, 127,088.66 and 25,561.34 is: 38,342.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,725.16 : 127,088.66 = 25,561.34 : x
  2. Step 2: Convert to fraction form
    84,725.16/127,088.66 = 25,561.34/x
  3. Step 3: Cross multiply
    84,725.16x = 127,088.66 × 25,561.34
  4. Step 4: Simplify right side
    84,725.16x = 3,248,556,448.40
  5. Step 5: Solve for x
    x = 3,248,556,448.40/84,725.16
  6. Step 6: Final answer
    x = 38,342.29

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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.