Home / 111,943.72-167,810.03-55,730.63

Finding the Fourth Proportional to 111,943.72, 167,810.03 and 55,730.63

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Solution

The fourth proportional to 111,943.72, 167,810.03 and 55,730.63 is: 83,543.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,943.72 : 167,810.03 = 55,730.63 : x
  2. Step 2: Convert to fraction form
    111,943.72/167,810.03 = 55,730.63/x
  3. Step 3: Cross multiply
    111,943.72x = 167,810.03 × 55,730.63
  4. Step 4: Simplify right side
    111,943.72x = 9,352,159,042.08
  5. Step 5: Solve for x
    x = 9,352,159,042.08/111,943.72
  6. Step 6: Final answer
    x = 83,543.40

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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.