Home / 69,840.16-96,381.43-38,011.07

Finding the Fourth Proportional to 69,840.16, 96,381.43 and 38,011.07

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Solution

The fourth proportional to 69,840.16, 96,381.43 and 38,011.07 is: 52,456.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,840.16 : 96,381.43 = 38,011.07 : x
  2. Step 2: Convert to fraction form
    69,840.16/96,381.43 = 38,011.07/x
  3. Step 3: Cross multiply
    69,840.16x = 96,381.43 × 38,011.07
  4. Step 4: Simplify right side
    69,840.16x = 3,663,561,428.36
  5. Step 5: Solve for x
    x = 3,663,561,428.36/69,840.16
  6. Step 6: Final answer
    x = 52,456.37

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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.