Home / 55,859.08-77,085.86-30,365.65

Finding the Fourth Proportional to 55,859.08, 77,085.86 and 30,365.65

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Solution

The fourth proportional to 55,859.08, 77,085.86 and 30,365.65 is: 41,904.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,859.08 : 77,085.86 = 30,365.65 : x
  2. Step 2: Convert to fraction form
    55,859.08/77,085.86 = 30,365.65/x
  3. Step 3: Cross multiply
    55,859.08x = 77,085.86 × 30,365.65
  4. Step 4: Simplify right side
    55,859.08x = 2,340,761,859.28
  5. Step 5: Solve for x
    x = 2,340,761,859.28/55,859.08
  6. Step 6: Final answer
    x = 41,904.77

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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.