Home / 99,045.97-136,669-56,596.30

Finding the Fourth Proportional to 99,045.97, 136,669 and 56,596.30

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Solution

The fourth proportional to 99,045.97, 136,669 and 56,596.30 is: 78,094.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,045.97 : 136,669 = 56,596.30 : x
  2. Step 2: Convert to fraction form
    99,045.97/136,669 = 56,596.30/x
  3. Step 3: Cross multiply
    99,045.97x = 136,669 × 56,596.30
  4. Step 4: Simplify right side
    99,045.97x = 7,734,959,724.70
  5. Step 5: Solve for x
    x = 7,734,959,724.70/99,045.97
  6. Step 6: Final answer
    x = 78,094.64

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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.