Home / 89,090.92-122,941.82-53,259.76

Finding the Fourth Proportional to 89,090.92, 122,941.82 and 53,259.76

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Solution

The fourth proportional to 89,090.92, 122,941.82 and 53,259.76 is: 73,496.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,090.92 : 122,941.82 = 53,259.76 : x
  2. Step 2: Convert to fraction form
    89,090.92/122,941.82 = 53,259.76/x
  3. Step 3: Cross multiply
    89,090.92x = 122,941.82 × 53,259.76
  4. Step 4: Simplify right side
    89,090.92x = 6,547,850,946.16
  5. Step 5: Solve for x
    x = 6,547,850,946.16/89,090.92
  6. Step 6: Final answer
    x = 73,496.28

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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.