Home / 70,601.73-97,430.55-38,772.68

Finding the Fourth Proportional to 70,601.73, 97,430.55 and 38,772.68

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Solution

The fourth proportional to 70,601.73, 97,430.55 and 38,772.68 is: 53,506.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,601.73 : 97,430.55 = 38,772.68 : x
  2. Step 2: Convert to fraction form
    70,601.73/97,430.55 = 38,772.68/x
  3. Step 3: Cross multiply
    70,601.73x = 97,430.55 × 38,772.68
  4. Step 4: Simplify right side
    70,601.73x = 3,777,642,904.82
  5. Step 5: Solve for x
    x = 3,777,642,904.82/70,601.73
  6. Step 6: Final answer
    x = 53,506.38

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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.