Home / 99,040.22-136,677.37-60,780.63

Finding the Fourth Proportional to 99,040.22, 136,677.37 and 60,780.63

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Solution

The fourth proportional to 99,040.22, 136,677.37 and 60,780.63 is: 83,878.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,040.22 : 136,677.37 = 60,780.63 : x
  2. Step 2: Convert to fraction form
    99,040.22/136,677.37 = 60,780.63/x
  3. Step 3: Cross multiply
    99,040.22x = 136,677.37 × 60,780.63
  4. Step 4: Simplify right side
    99,040.22x = 8,307,336,655.34
  5. Step 5: Solve for x
    x = 8,307,336,655.34/99,040.22
  6. Step 6: Final answer
    x = 83,878.41

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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.