Home / 70,632.33-97,477.40-38,801.57

Finding the Fourth Proportional to 70,632.33, 97,477.40 and 38,801.57

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Solution

The fourth proportional to 70,632.33, 97,477.40 and 38,801.57 is: 53,548.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,632.33 : 97,477.40 = 38,801.57 : x
  2. Step 2: Convert to fraction form
    70,632.33/97,477.40 = 38,801.57/x
  3. Step 3: Cross multiply
    70,632.33x = 97,477.40 × 38,801.57
  4. Step 4: Simplify right side
    70,632.33x = 3,782,275,478.12
  5. Step 5: Solve for x
    x = 3,782,275,478.12/70,632.33
  6. Step 6: Final answer
    x = 53,548.79

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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.