Home / 99,415.80-137,194.41-54,094.13

Finding the Fourth Proportional to 99,415.80, 137,194.41 and 54,094.13

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Solution

The fourth proportional to 99,415.80, 137,194.41 and 54,094.13 is: 74,650.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,415.80 : 137,194.41 = 54,094.13 : x
  2. Step 2: Convert to fraction form
    99,415.80/137,194.41 = 54,094.13/x
  3. Step 3: Cross multiply
    99,415.80x = 137,194.41 × 54,094.13
  4. Step 4: Simplify right side
    99,415.80x = 7,421,411,563.84
  5. Step 5: Solve for x
    x = 7,421,411,563.84/99,415.80
  6. Step 6: Final answer
    x = 74,650.22

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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.