Home / 99,205.64-136,901.81-56,184.44

Finding the Fourth Proportional to 99,205.64, 136,901.81 and 56,184.44

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Solution

The fourth proportional to 99,205.64, 136,901.81 and 56,184.44 is: 77,533.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,205.64 : 136,901.81 = 56,184.44 : x
  2. Step 2: Convert to fraction form
    99,205.64/136,901.81 = 56,184.44/x
  3. Step 3: Cross multiply
    99,205.64x = 136,901.81 × 56,184.44
  4. Step 4: Simplify right side
    99,205.64x = 7,691,752,012.55
  5. Step 5: Solve for x
    x = 7,691,752,012.55/99,205.64
  6. Step 6: Final answer
    x = 77,533.42

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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.