Home / 70,735.07-97,612.80-38,903.29

Finding the Fourth Proportional to 70,735.07, 97,612.80 and 38,903.29

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Solution

The fourth proportional to 70,735.07, 97,612.80 and 38,903.29 is: 53,685.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,735.07 : 97,612.80 = 38,903.29 : x
  2. Step 2: Convert to fraction form
    70,735.07/97,612.80 = 38,903.29/x
  3. Step 3: Cross multiply
    70,735.07x = 97,612.80 × 38,903.29
  4. Step 4: Simplify right side
    70,735.07x = 3,797,458,676.19
  5. Step 5: Solve for x
    x = 3,797,458,676.19/70,735.07
  6. Step 6: Final answer
    x = 53,685.65

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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.