Home / 105,001.35-144,901.94-57,254.79

Finding the Fourth Proportional to 105,001.35, 144,901.94 and 57,254.79

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Solution

The fourth proportional to 105,001.35, 144,901.94 and 57,254.79 is: 79,011.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,001.35 : 144,901.94 = 57,254.79 : x
  2. Step 2: Convert to fraction form
    105,001.35/144,901.94 = 57,254.79/x
  3. Step 3: Cross multiply
    105,001.35x = 144,901.94 × 57,254.79
  4. Step 4: Simplify right side
    105,001.35x = 8,296,329,859.02
  5. Step 5: Solve for x
    x = 8,296,329,859.02/105,001.35
  6. Step 6: Final answer
    x = 79,011.65

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1.5x scale

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.