Home / 70,345.13-97,078.73-38,514.29

Finding the Fourth Proportional to 70,345.13, 97,078.73 and 38,514.29

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Solution

The fourth proportional to 70,345.13, 97,078.73 and 38,514.29 is: 53,151.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,345.13 : 97,078.73 = 38,514.29 : x
  2. Step 2: Convert to fraction form
    70,345.13/97,078.73 = 38,514.29/x
  3. Step 3: Cross multiply
    70,345.13x = 97,078.73 × 38,514.29
  4. Step 4: Simplify right side
    70,345.13x = 3,738,917,682.09
  5. Step 5: Solve for x
    x = 3,738,917,682.09/70,345.13
  6. Step 6: Final answer
    x = 53,151.06

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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.