Home / 66,641.72-91,995.18-50,726.84

Finding the Fourth Proportional to 66,641.72, 91,995.18 and 50,726.84

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Solution

The fourth proportional to 66,641.72, 91,995.18 and 50,726.84 is: 70,025.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,641.72 : 91,995.18 = 50,726.84 : x
  2. Step 2: Convert to fraction form
    66,641.72/91,995.18 = 50,726.84/x
  3. Step 3: Cross multiply
    66,641.72x = 91,995.18 × 50,726.84
  4. Step 4: Simplify right side
    66,641.72x = 4,666,624,776.63
  5. Step 5: Solve for x
    x = 4,666,624,776.63/66,641.72
  6. Step 6: Final answer
    x = 70,025.58

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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.