Home / 105,044.99-144,959.63-57,298.73

Finding the Fourth Proportional to 105,044.99, 144,959.63 and 57,298.73

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Solution

The fourth proportional to 105,044.99, 144,959.63 and 57,298.73 is: 79,070.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,044.99 : 144,959.63 = 57,298.73 : x
  2. Step 2: Convert to fraction form
    105,044.99/144,959.63 = 57,298.73/x
  3. Step 3: Cross multiply
    105,044.99x = 144,959.63 × 57,298.73
  4. Step 4: Simplify right side
    105,044.99x = 8,306,001,688.98
  5. Step 5: Solve for x
    x = 8,306,001,688.98/105,044.99
  6. Step 6: Final answer
    x = 79,070.90

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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.