Home / 76,055.64-114,074.72-19,901.16

Finding the Fourth Proportional to 76,055.64, 114,074.72 and 19,901.16

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Solution

The fourth proportional to 76,055.64, 114,074.72 and 19,901.16 is: 29,849.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,055.64 : 114,074.72 = 19,901.16 : x
  2. Step 2: Convert to fraction form
    76,055.64/114,074.72 = 19,901.16/x
  3. Step 3: Cross multiply
    76,055.64x = 114,074.72 × 19,901.16
  4. Step 4: Simplify right side
    76,055.64x = 2,270,219,254.68
  5. Step 5: Solve for x
    x = 2,270,219,254.68/76,055.64
  6. Step 6: Final answer
    x = 29,849.45

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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.