Home / 45,119.74-62,238.00-28,981.62

Finding the Fourth Proportional to 45,119.74, 62,238.00 and 28,981.62

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Solution

The fourth proportional to 45,119.74, 62,238.00 and 28,981.62 is: 39,977.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,119.74 : 62,238.00 = 28,981.62 : x
  2. Step 2: Convert to fraction form
    45,119.74/62,238.00 = 28,981.62/x
  3. Step 3: Cross multiply
    45,119.74x = 62,238.00 × 28,981.62
  4. Step 4: Simplify right side
    45,119.74x = 1,803,757,841.22
  5. Step 5: Solve for x
    x = 1,803,757,841.22/45,119.74
  6. Step 6: Final answer
    x = 39,977.13

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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.