Home / 51,147.99-70,565.13-51,069.15

Finding the Fourth Proportional to 51,147.99, 70,565.13 and 51,069.15

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Solution

The fourth proportional to 51,147.99, 70,565.13 and 51,069.15 is: 70,456.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,147.99 : 70,565.13 = 51,069.15 : x
  2. Step 2: Convert to fraction form
    51,147.99/70,565.13 = 51,069.15/x
  3. Step 3: Cross multiply
    51,147.99x = 70,565.13 × 51,069.15
  4. Step 4: Simplify right side
    51,147.99x = 3,603,701,208.74
  5. Step 5: Solve for x
    x = 3,603,701,208.74/51,147.99
  6. Step 6: Final answer
    x = 70,456.36

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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.