Home / 75,068.98-103,550.06-49,575.58

Finding the Fourth Proportional to 75,068.98, 103,550.06 and 49,575.58

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Solution

The fourth proportional to 75,068.98, 103,550.06 and 49,575.58 is: 68,384.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,068.98 : 103,550.06 = 49,575.58 : x
  2. Step 2: Convert to fraction form
    75,068.98/103,550.06 = 49,575.58/x
  3. Step 3: Cross multiply
    75,068.98x = 103,550.06 × 49,575.58
  4. Step 4: Simplify right side
    75,068.98x = 5,133,554,283.53
  5. Step 5: Solve for x
    x = 5,133,554,283.53/75,068.98
  6. Step 6: Final answer
    x = 68,384.49

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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.