Home / 91,319.02-137,021.97-63,282.22

Finding the Fourth Proportional to 91,319.02, 137,021.97 and 63,282.22

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Solution

The fourth proportional to 91,319.02, 137,021.97 and 63,282.22 is: 94,953.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,319.02 : 137,021.97 = 63,282.22 : x
  2. Step 2: Convert to fraction form
    91,319.02/137,021.97 = 63,282.22/x
  3. Step 3: Cross multiply
    91,319.02x = 137,021.97 × 63,282.22
  4. Step 4: Simplify right side
    91,319.02x = 8,671,054,450.37
  5. Step 5: Solve for x
    x = 8,671,054,450.37/91,319.02
  6. Step 6: Final answer
    x = 94,953.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.