Home / 70,386.26-97,133.06-38,556.30

Finding the Fourth Proportional to 70,386.26, 97,133.06 and 38,556.30

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Solution

The fourth proportional to 70,386.26, 97,133.06 and 38,556.30 is: 53,207.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,386.26 : 97,133.06 = 38,556.30 : x
  2. Step 2: Convert to fraction form
    70,386.26/97,133.06 = 38,556.30/x
  3. Step 3: Cross multiply
    70,386.26x = 97,133.06 × 38,556.30
  4. Step 4: Simplify right side
    70,386.26x = 3,745,091,208.50
  5. Step 5: Solve for x
    x = 3,745,091,208.50/70,386.26
  6. Step 6: Final answer
    x = 53,207.71

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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.