Home / 68,712.77-94,823.12-38,498.36

Finding the Fourth Proportional to 68,712.77, 94,823.12 and 38,498.36

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Solution

The fourth proportional to 68,712.77, 94,823.12 and 38,498.36 is: 53,127.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,712.77 : 94,823.12 = 38,498.36 : x
  2. Step 2: Convert to fraction form
    68,712.77/94,823.12 = 38,498.36/x
  3. Step 3: Cross multiply
    68,712.77x = 94,823.12 × 38,498.36
  4. Step 4: Simplify right side
    68,712.77x = 3,650,534,232.21
  5. Step 5: Solve for x
    x = 3,650,534,232.21/68,712.77
  6. Step 6: Final answer
    x = 53,127.45

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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.