Home / 90,859.99-125,386.77-50,572.89

Finding the Fourth Proportional to 90,859.99, 125,386.77 and 50,572.89

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Solution

The fourth proportional to 90,859.99, 125,386.77 and 50,572.89 is: 69,790.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,859.99 : 125,386.77 = 50,572.89 : x
  2. Step 2: Convert to fraction form
    90,859.99/125,386.77 = 50,572.89/x
  3. Step 3: Cross multiply
    90,859.99x = 125,386.77 × 50,572.89
  4. Step 4: Simplify right side
    90,859.99x = 6,341,170,699.73
  5. Step 5: Solve for x
    x = 6,341,170,699.73/90,859.99
  6. Step 6: Final answer
    x = 69,790.57

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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.