Home / 111,329.46-153,617.94-63,572.67

Finding the Fourth Proportional to 111,329.46, 153,617.94 and 63,572.67

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Solution

The fourth proportional to 111,329.46, 153,617.94 and 63,572.67 is: 87,720.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,329.46 : 153,617.94 = 63,572.67 : x
  2. Step 2: Convert to fraction form
    111,329.46/153,617.94 = 63,572.67/x
  3. Step 3: Cross multiply
    111,329.46x = 153,617.94 × 63,572.67
  4. Step 4: Simplify right side
    111,329.46x = 9,765,902,605.70
  5. Step 5: Solve for x
    x = 9,765,902,605.70/111,329.46
  6. Step 6: Final answer
    x = 87,720.74

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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.