Home / 115,651.35-159,589.98-70,323.12

Finding the Fourth Proportional to 115,651.35, 159,589.98 and 70,323.12

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Solution

The fourth proportional to 115,651.35, 159,589.98 and 70,323.12 is: 97,040.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,651.35 : 159,589.98 = 70,323.12 : x
  2. Step 2: Convert to fraction form
    115,651.35/159,589.98 = 70,323.12/x
  3. Step 3: Cross multiply
    115,651.35x = 159,589.98 × 70,323.12
  4. Step 4: Simplify right side
    115,651.35x = 11,222,865,314.34
  5. Step 5: Solve for x
    x = 11,222,865,314.34/115,651.35
  6. Step 6: Final answer
    x = 97,040.50

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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.