Home / 99,586.31-137,427.86-54,263.12

Finding the Fourth Proportional to 99,586.31, 137,427.86 and 54,263.12

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Solution

The fourth proportional to 99,586.31, 137,427.86 and 54,263.12 is: 74,882.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,586.31 : 137,427.86 = 54,263.12 : x
  2. Step 2: Convert to fraction form
    99,586.31/137,427.86 = 54,263.12/x
  3. Step 3: Cross multiply
    99,586.31x = 137,427.86 × 54,263.12
  4. Step 4: Simplify right side
    99,586.31x = 7,457,263,500.07
  5. Step 5: Solve for x
    x = 7,457,263,500.07/99,586.31
  6. Step 6: Final answer
    x = 74,882.42

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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.