Home / 70,637.48-97,480.14-38,805.56

Finding the Fourth Proportional to 70,637.48, 97,480.14 and 38,805.56

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Solution

The fourth proportional to 70,637.48, 97,480.14 and 38,805.56 is: 53,551.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,637.48 : 97,480.14 = 38,805.56 : x
  2. Step 2: Convert to fraction form
    70,637.48/97,480.14 = 38,805.56/x
  3. Step 3: Cross multiply
    70,637.48x = 97,480.14 × 38,805.56
  4. Step 4: Simplify right side
    70,637.48x = 3,782,771,421.58
  5. Step 5: Solve for x
    x = 3,782,771,421.58/70,637.48
  6. Step 6: Final answer
    x = 53,551.90

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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.