Home / 104,127.59-143,696.16-56,381.00

Finding the Fourth Proportional to 104,127.59, 143,696.16 and 56,381.00

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Solution

The fourth proportional to 104,127.59, 143,696.16 and 56,381.00 is: 77,805.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,127.59 : 143,696.16 = 56,381.00 : x
  2. Step 2: Convert to fraction form
    104,127.59/143,696.16 = 56,381.00/x
  3. Step 3: Cross multiply
    104,127.59x = 143,696.16 × 56,381.00
  4. Step 4: Simplify right side
    104,127.59x = 8,101,732,478.48
  5. Step 5: Solve for x
    x = 8,101,732,478.48/104,127.59
  6. Step 6: Final answer
    x = 77,805.82

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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.