Home / 70,856.40-97,782.48-39,026.04

Finding the Fourth Proportional to 70,856.40, 97,782.48 and 39,026.04

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Solution

The fourth proportional to 70,856.40, 97,782.48 and 39,026.04 is: 53,856.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,856.40 : 97,782.48 = 39,026.04 : x
  2. Step 2: Convert to fraction form
    70,856.40/97,782.48 = 39,026.04/x
  3. Step 3: Cross multiply
    70,856.40x = 97,782.48 × 39,026.04
  4. Step 4: Simplify right side
    70,856.40x = 3,816,062,975.78
  5. Step 5: Solve for x
    x = 3,816,062,975.78/70,856.40
  6. Step 6: Final answer
    x = 53,856.29

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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.