Home / 70,606.33-97,437.38-38,775.47

Finding the Fourth Proportional to 70,606.33, 97,437.38 and 38,775.47

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Solution

The fourth proportional to 70,606.33, 97,437.38 and 38,775.47 is: 53,510.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,606.33 : 97,437.38 = 38,775.47 : x
  2. Step 2: Convert to fraction form
    70,606.33/97,437.38 = 38,775.47/x
  3. Step 3: Cross multiply
    70,606.33x = 97,437.38 × 38,775.47
  4. Step 4: Simplify right side
    70,606.33x = 3,778,179,524.00
  5. Step 5: Solve for x
    x = 3,778,179,524.00/70,606.33
  6. Step 6: Final answer
    x = 53,510.49

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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.