Home / 105,001.47-144,898.83-57,255.75

Finding the Fourth Proportional to 105,001.47, 144,898.83 and 57,255.75

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Solution

The fourth proportional to 105,001.47, 144,898.83 and 57,255.75 is: 79,011.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,001.47 : 144,898.83 = 57,255.75 : x
  2. Step 2: Convert to fraction form
    105,001.47/144,898.83 = 57,255.75/x
  3. Step 3: Cross multiply
    105,001.47x = 144,898.83 × 57,255.75
  4. Step 4: Simplify right side
    105,001.47x = 8,296,291,185.77
  5. Step 5: Solve for x
    x = 8,296,291,185.77/105,001.47
  6. Step 6: Final answer
    x = 79,011.19

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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.