Home / 65,203.03-89,966.34-38,335.73

Finding the Fourth Proportional to 65,203.03, 89,966.34 and 38,335.73

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Solution

The fourth proportional to 65,203.03, 89,966.34 and 38,335.73 is: 52,895.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,203.03 : 89,966.34 = 38,335.73 : x
  2. Step 2: Convert to fraction form
    65,203.03/89,966.34 = 38,335.73/x
  3. Step 3: Cross multiply
    65,203.03x = 89,966.34 × 38,335.73
  4. Step 4: Simplify right side
    65,203.03x = 3,448,925,319.33
  5. Step 5: Solve for x
    x = 3,448,925,319.33/65,203.03
  6. Step 6: Final answer
    x = 52,895.17

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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.