Home / 49,417.99-74,127.14-11,977.92

Finding the Fourth Proportional to 49,417.99, 74,127.14 and 11,977.92

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Solution

The fourth proportional to 49,417.99, 74,127.14 and 11,977.92 is: 17,966.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,417.99 : 74,127.14 = 11,977.92 : x
  2. Step 2: Convert to fraction form
    49,417.99/74,127.14 = 11,977.92/x
  3. Step 3: Cross multiply
    49,417.99x = 74,127.14 × 11,977.92
  4. Step 4: Simplify right side
    49,417.99x = 887,888,522.22
  5. Step 5: Solve for x
    x = 887,888,522.22/49,417.99
  6. Step 6: Final answer
    x = 17,966.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.