Home / 70,345.69-97,077.09-38,514.58

Finding the Fourth Proportional to 70,345.69, 97,077.09 and 38,514.58

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Solution

The fourth proportional to 70,345.69, 97,077.09 and 38,514.58 is: 53,150.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,345.69 : 97,077.09 = 38,514.58 : x
  2. Step 2: Convert to fraction form
    70,345.69/97,077.09 = 38,514.58/x
  3. Step 3: Cross multiply
    70,345.69x = 97,077.09 × 38,514.58
  4. Step 4: Simplify right side
    70,345.69x = 3,738,883,348.97
  5. Step 5: Solve for x
    x = 3,738,883,348.97/70,345.69
  6. Step 6: Final answer
    x = 53,150.14

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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.