Home / 99,325.22-137,068.34-58,513.07

Finding the Fourth Proportional to 99,325.22, 137,068.34 and 58,513.07

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Solution

The fourth proportional to 99,325.22, 137,068.34 and 58,513.07 is: 80,747.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,325.22 : 137,068.34 = 58,513.07 : x
  2. Step 2: Convert to fraction form
    99,325.22/137,068.34 = 58,513.07/x
  3. Step 3: Cross multiply
    99,325.22x = 137,068.34 × 58,513.07
  4. Step 4: Simplify right side
    99,325.22x = 8,020,288,395.30
  5. Step 5: Solve for x
    x = 8,020,288,395.30/99,325.22
  6. Step 6: Final answer
    x = 80,747.76

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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.