Home / 99,586.16-137,427.13-54,264.46

Finding the Fourth Proportional to 99,586.16, 137,427.13 and 54,264.46

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Solution

The fourth proportional to 99,586.16, 137,427.13 and 54,264.46 is: 74,883.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,586.16 : 137,427.13 = 54,264.46 : x
  2. Step 2: Convert to fraction form
    99,586.16/137,427.13 = 54,264.46/x
  3. Step 3: Cross multiply
    99,586.16x = 137,427.13 × 54,264.46
  4. Step 4: Simplify right side
    99,586.16x = 7,457,408,998.80
  5. Step 5: Solve for x
    x = 7,457,408,998.80/99,586.16
  6. Step 6: Final answer
    x = 74,883.99

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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.