Home / 66,603.09-99,953.95-31,542.85

Finding the Fourth Proportional to 66,603.09, 99,953.95 and 31,542.85

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Solution

The fourth proportional to 66,603.09, 99,953.95 and 31,542.85 is: 47,337.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,603.09 : 99,953.95 = 31,542.85 : x
  2. Step 2: Convert to fraction form
    66,603.09/99,953.95 = 31,542.85/x
  3. Step 3: Cross multiply
    66,603.09x = 99,953.95 × 31,542.85
  4. Step 4: Simplify right side
    66,603.09x = 3,152,832,556.99
  5. Step 5: Solve for x
    x = 3,152,832,556.99/66,603.09
  6. Step 6: Final answer
    x = 47,337.63

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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.