Home / 66,427.81-99,699.28-34,860.17

Finding the Fourth Proportional to 66,427.81, 99,699.28 and 34,860.17

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Solution

The fourth proportional to 66,427.81, 99,699.28 and 34,860.17 is: 52,320.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,427.81 : 99,699.28 = 34,860.17 : x
  2. Step 2: Convert to fraction form
    66,427.81/99,699.28 = 34,860.17/x
  3. Step 3: Cross multiply
    66,427.81x = 99,699.28 × 34,860.17
  4. Step 4: Simplify right side
    66,427.81x = 3,475,534,011.78
  5. Step 5: Solve for x
    x = 3,475,534,011.78/66,427.81
  6. Step 6: Final answer
    x = 52,320.47

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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.