Home / 85,058.16-117,394.83-49,270.20

Finding the Fourth Proportional to 85,058.16, 117,394.83 and 49,270.20

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Solution

The fourth proportional to 85,058.16, 117,394.83 and 49,270.20 is: 68,001.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,058.16 : 117,394.83 = 49,270.20 : x
  2. Step 2: Convert to fraction form
    85,058.16/117,394.83 = 49,270.20/x
  3. Step 3: Cross multiply
    85,058.16x = 117,394.83 × 49,270.20
  4. Step 4: Simplify right side
    85,058.16x = 5,784,066,753.07
  5. Step 5: Solve for x
    x = 5,784,066,753.07/85,058.16
  6. Step 6: Final answer
    x = 68,001.32

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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.