Home / 70,499.15-97,295.07-38,674.25

Finding the Fourth Proportional to 70,499.15, 97,295.07 and 38,674.25

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Solution

The fourth proportional to 70,499.15, 97,295.07 and 38,674.25 is: 53,373.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,499.15 : 97,295.07 = 38,674.25 : x
  2. Step 2: Convert to fraction form
    70,499.15/97,295.07 = 38,674.25/x
  3. Step 3: Cross multiply
    70,499.15x = 97,295.07 × 38,674.25
  4. Step 4: Simplify right side
    70,499.15x = 3,762,813,860.95
  5. Step 5: Solve for x
    x = 3,762,813,860.95/70,499.15
  6. Step 6: Final answer
    x = 53,373.89

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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.