Home / 89,964.50-124,161.95-52,238.75

Finding the Fourth Proportional to 89,964.50, 124,161.95 and 52,238.75

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Solution

The fourth proportional to 89,964.50, 124,161.95 and 52,238.75 is: 72,095.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,964.50 : 124,161.95 = 52,238.75 : x
  2. Step 2: Convert to fraction form
    89,964.50/124,161.95 = 52,238.75/x
  3. Step 3: Cross multiply
    89,964.50x = 124,161.95 × 52,238.75
  4. Step 4: Simplify right side
    89,964.50x = 6,486,064,804.37
  5. Step 5: Solve for x
    x = 6,486,064,804.37/89,964.50
  6. Step 6: Final answer
    x = 72,095.82

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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.