Home / 68,656.48-94,746.18-38,443.12

Finding the Fourth Proportional to 68,656.48, 94,746.18 and 38,443.12

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Solution

The fourth proportional to 68,656.48, 94,746.18 and 38,443.12 is: 53,051.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,656.48 : 94,746.18 = 38,443.12 : x
  2. Step 2: Convert to fraction form
    68,656.48/94,746.18 = 38,443.12/x
  3. Step 3: Cross multiply
    68,656.48x = 94,746.18 × 38,443.12
  4. Step 4: Simplify right side
    68,656.48x = 3,642,338,767.28
  5. Step 5: Solve for x
    x = 3,642,338,767.28/68,656.48
  6. Step 6: Final answer
    x = 53,051.64

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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.