Home / 75,045.98-103,518.33-49,552.58

Finding the Fourth Proportional to 75,045.98, 103,518.33 and 49,552.58

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Solution

The fourth proportional to 75,045.98, 103,518.33 and 49,552.58 is: 68,352.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,045.98 : 103,518.33 = 49,552.58 : x
  2. Step 2: Convert to fraction form
    75,045.98/103,518.33 = 49,552.58/x
  3. Step 3: Cross multiply
    75,045.98x = 103,518.33 × 49,552.58
  4. Step 4: Simplify right side
    75,045.98x = 5,129,600,328.79
  5. Step 5: Solve for x
    x = 5,129,600,328.79/75,045.98
  6. Step 6: Final answer
    x = 68,352.77

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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.