Home / 68,681.16-94,758.48-38,462.40

Finding the Fourth Proportional to 68,681.16, 94,758.48 and 38,462.40

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Solution

The fourth proportional to 68,681.16, 94,758.48 and 38,462.40 is: 53,066.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,681.16 : 94,758.48 = 38,462.40 : x
  2. Step 2: Convert to fraction form
    68,681.16/94,758.48 = 38,462.40/x
  3. Step 3: Cross multiply
    68,681.16x = 94,758.48 × 38,462.40
  4. Step 4: Simplify right side
    68,681.16x = 3,644,638,561.15
  5. Step 5: Solve for x
    x = 3,644,638,561.15/68,681.16
  6. Step 6: Final answer
    x = 53,066.06

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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.