Home / 70,032.67-96,648.51-39,415.33

Finding the Fourth Proportional to 70,032.67, 96,648.51 and 39,415.33

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Solution

The fourth proportional to 70,032.67, 96,648.51 and 39,415.33 is: 54,395.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,032.67 : 96,648.51 = 39,415.33 : x
  2. Step 2: Convert to fraction form
    70,032.67/96,648.51 = 39,415.33/x
  3. Step 3: Cross multiply
    70,032.67x = 96,648.51 × 39,415.33
  4. Step 4: Simplify right side
    70,032.67x = 3,809,432,915.66
  5. Step 5: Solve for x
    x = 3,809,432,915.66/70,032.67
  6. Step 6: Final answer
    x = 54,395.08

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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.