Home / 69,904.72-96,470.39-38,075.67

Finding the Fourth Proportional to 69,904.72, 96,470.39 and 38,075.67

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Solution

The fourth proportional to 69,904.72, 96,470.39 and 38,075.67 is: 52,545.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,904.72 : 96,470.39 = 38,075.67 : x
  2. Step 2: Convert to fraction form
    69,904.72/96,470.39 = 38,075.67/x
  3. Step 3: Cross multiply
    69,904.72x = 96,470.39 × 38,075.67
  4. Step 4: Simplify right side
    69,904.72x = 3,673,174,829.60
  5. Step 5: Solve for x
    x = 3,673,174,829.60/69,904.72
  6. Step 6: Final answer
    x = 52,545.45

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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.