Home / 66,973.43-92,421.81-43,100.10

Finding the Fourth Proportional to 66,973.43, 92,421.81 and 43,100.10

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Solution

The fourth proportional to 66,973.43, 92,421.81 and 43,100.10 is: 59,477.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,973.43 : 92,421.81 = 43,100.10 : x
  2. Step 2: Convert to fraction form
    66,973.43/92,421.81 = 43,100.10/x
  3. Step 3: Cross multiply
    66,973.43x = 92,421.81 × 43,100.10
  4. Step 4: Simplify right side
    66,973.43x = 3,983,389,253.18
  5. Step 5: Solve for x
    x = 3,983,389,253.18/66,973.43
  6. Step 6: Final answer
    x = 59,477.16

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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.