Home / 77,098.13-106,399.49-46,878.45

Finding the Fourth Proportional to 77,098.13, 106,399.49 and 46,878.45

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Solution

The fourth proportional to 77,098.13, 106,399.49 and 46,878.45 is: 64,694.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,098.13 : 106,399.49 = 46,878.45 : x
  2. Step 2: Convert to fraction form
    77,098.13/106,399.49 = 46,878.45/x
  3. Step 3: Cross multiply
    77,098.13x = 106,399.49 × 46,878.45
  4. Step 4: Simplify right side
    77,098.13x = 4,987,843,171.99
  5. Step 5: Solve for x
    x = 4,987,843,171.99/77,098.13
  6. Step 6: Final answer
    x = 64,694.74

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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.