Home / 70,040.19-96,663.75-39,830.05

Finding the Fourth Proportional to 70,040.19, 96,663.75 and 39,830.05

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Solution

The fourth proportional to 70,040.19, 96,663.75 and 39,830.05 is: 54,970.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,040.19 : 96,663.75 = 39,830.05 : x
  2. Step 2: Convert to fraction form
    70,040.19/96,663.75 = 39,830.05/x
  3. Step 3: Cross multiply
    70,040.19x = 96,663.75 × 39,830.05
  4. Step 4: Simplify right side
    70,040.19x = 3,850,122,575.09
  5. Step 5: Solve for x
    x = 3,850,122,575.09/70,040.19
  6. Step 6: Final answer
    x = 54,970.19

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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.