Home / 114,038.76-171,002.21-66,665.84

Finding the Fourth Proportional to 114,038.76, 171,002.21 and 66,665.84

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Solution

The fourth proportional to 114,038.76, 171,002.21 and 66,665.84 is: 99,966.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,038.76 : 171,002.21 = 66,665.84 : x
  2. Step 2: Convert to fraction form
    114,038.76/171,002.21 = 66,665.84/x
  3. Step 3: Cross multiply
    114,038.76x = 171,002.21 × 66,665.84
  4. Step 4: Simplify right side
    114,038.76x = 11,400,005,345.66
  5. Step 5: Solve for x
    x = 11,400,005,345.66/114,038.76
  6. Step 6: Final answer
    x = 99,966.06

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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.