Home / 99,392.49-137,165.20-56,959.22

Finding the Fourth Proportional to 99,392.49, 137,165.20 and 56,959.22

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Solution

The fourth proportional to 99,392.49, 137,165.20 and 56,959.22 is: 78,605.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,392.49 : 137,165.20 = 56,959.22 : x
  2. Step 2: Convert to fraction form
    99,392.49/137,165.20 = 56,959.22/x
  3. Step 3: Cross multiply
    99,392.49x = 137,165.20 × 56,959.22
  4. Step 4: Simplify right side
    99,392.49x = 7,812,823,003.66
  5. Step 5: Solve for x
    x = 7,812,823,003.66/99,392.49
  6. Step 6: Final answer
    x = 78,605.77

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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.