Home / 66,943.07-92,355.95-42,744.92

Finding the Fourth Proportional to 66,943.07, 92,355.95 and 42,744.92

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Solution

The fourth proportional to 66,943.07, 92,355.95 and 42,744.92 is: 58,971.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,943.07 : 92,355.95 = 42,744.92 : x
  2. Step 2: Convert to fraction form
    66,943.07/92,355.95 = 42,744.92/x
  3. Step 3: Cross multiply
    66,943.07x = 92,355.95 × 42,744.92
  4. Step 4: Simplify right side
    66,943.07x = 3,947,748,032.03
  5. Step 5: Solve for x
    x = 3,947,748,032.03/66,943.07
  6. Step 6: Final answer
    x = 58,971.73

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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.