Home / 61,945.09-85,497.83-40,726.33

Finding the Fourth Proportional to 61,945.09, 85,497.83 and 40,726.33

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Solution

The fourth proportional to 61,945.09, 85,497.83 and 40,726.33 is: 56,211.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,945.09 : 85,497.83 = 40,726.33 : x
  2. Step 2: Convert to fraction form
    61,945.09/85,497.83 = 40,726.33/x
  3. Step 3: Cross multiply
    61,945.09x = 85,497.83 × 40,726.33
  4. Step 4: Simplify right side
    61,945.09x = 3,482,012,574.21
  5. Step 5: Solve for x
    x = 3,482,012,574.21/61,945.09
  6. Step 6: Final answer
    x = 56,211.28

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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.