Home / 66,309.30-91,505.16-37,236.92

Finding the Fourth Proportional to 66,309.30, 91,505.16 and 37,236.92

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Solution

The fourth proportional to 66,309.30, 91,505.16 and 37,236.92 is: 51,386.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,309.30 : 91,505.16 = 37,236.92 : x
  2. Step 2: Convert to fraction form
    66,309.30/91,505.16 = 37,236.92/x
  3. Step 3: Cross multiply
    66,309.30x = 91,505.16 × 37,236.92
  4. Step 4: Simplify right side
    66,309.30x = 3,407,369,864.98
  5. Step 5: Solve for x
    x = 3,407,369,864.98/66,309.30
  6. Step 6: Final answer
    x = 51,386.00

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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.