Home / 99,108.22-136,773.48-56,666.74

Finding the Fourth Proportional to 99,108.22, 136,773.48 and 56,666.74

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Solution

The fourth proportional to 99,108.22, 136,773.48 and 56,666.74 is: 78,202.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,108.22 : 136,773.48 = 56,666.74 : x
  2. Step 2: Convert to fraction form
    99,108.22/136,773.48 = 56,666.74/x
  3. Step 3: Cross multiply
    99,108.22x = 136,773.48 × 56,666.74
  4. Step 4: Simplify right side
    99,108.22x = 7,750,507,230.06
  5. Step 5: Solve for x
    x = 7,750,507,230.06/99,108.22
  6. Step 6: Final answer
    x = 78,202.47

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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.