Home / 99,009.74-136,641.22-83,611.44

Finding the Fourth Proportional to 99,009.74, 136,641.22 and 83,611.44

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Solution

The fourth proportional to 99,009.74, 136,641.22 and 83,611.44 is: 115,390.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,009.74 : 136,641.22 = 83,611.44 : x
  2. Step 2: Convert to fraction form
    99,009.74/136,641.22 = 83,611.44/x
  3. Step 3: Cross multiply
    99,009.74x = 136,641.22 × 83,611.44
  4. Step 4: Simplify right side
    99,009.74x = 11,424,768,840.95
  5. Step 5: Solve for x
    x = 11,424,768,840.95/99,009.74
  6. Step 6: Final answer
    x = 115,390.35

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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.