Home / 66,901.28-92,386.17-43,069.32

Finding the Fourth Proportional to 66,901.28, 92,386.17 and 43,069.32

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Solution

The fourth proportional to 66,901.28, 92,386.17 and 43,069.32 is: 59,475.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,901.28 : 92,386.17 = 43,069.32 : x
  2. Step 2: Convert to fraction form
    66,901.28/92,386.17 = 43,069.32/x
  3. Step 3: Cross multiply
    66,901.28x = 92,386.17 × 43,069.32
  4. Step 4: Simplify right side
    66,901.28x = 3,979,009,519.30
  5. Step 5: Solve for x
    x = 3,979,009,519.30/66,901.28
  6. Step 6: Final answer
    x = 59,475.84

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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.