Home / 53,390.19-73,681.04-29,516.43

Finding the Fourth Proportional to 53,390.19, 73,681.04 and 29,516.43

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Solution

The fourth proportional to 53,390.19, 73,681.04 and 29,516.43 is: 40,734.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,390.19 : 73,681.04 = 29,516.43 : x
  2. Step 2: Convert to fraction form
    53,390.19/73,681.04 = 29,516.43/x
  3. Step 3: Cross multiply
    53,390.19x = 73,681.04 × 29,516.43
  4. Step 4: Simplify right side
    53,390.19x = 2,174,801,111.91
  5. Step 5: Solve for x
    x = 2,174,801,111.91/53,390.19
  6. Step 6: Final answer
    x = 40,734.10

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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.