Home / 101,617.07-152,479.87-76,484.32

Finding the Fourth Proportional to 101,617.07, 152,479.87 and 76,484.32

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Solution

The fourth proportional to 101,617.07, 152,479.87 and 76,484.32 is: 114,767.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,617.07 : 152,479.87 = 76,484.32 : x
  2. Step 2: Convert to fraction form
    101,617.07/152,479.87 = 76,484.32/x
  3. Step 3: Cross multiply
    101,617.07x = 152,479.87 × 76,484.32
  4. Step 4: Simplify right side
    101,617.07x = 11,662,318,598.23
  5. Step 5: Solve for x
    x = 11,662,318,598.23/101,617.07
  6. Step 6: Final answer
    x = 114,767.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.