Home / 99,554.02-137,385.60-54,232.36

Finding the Fourth Proportional to 99,554.02, 137,385.60 and 54,232.36

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Solution

The fourth proportional to 99,554.02, 137,385.60 and 54,232.36 is: 74,841.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,554.02 : 137,385.60 = 54,232.36 : x
  2. Step 2: Convert to fraction form
    99,554.02/137,385.60 = 54,232.36/x
  3. Step 3: Cross multiply
    99,554.02x = 137,385.60 × 54,232.36
  4. Step 4: Simplify right side
    99,554.02x = 7,450,745,318.02
  5. Step 5: Solve for x
    x = 7,450,745,318.02/99,554.02
  6. Step 6: Final answer
    x = 74,841.23

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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.