Home / 99,699.37-149,577.30-40,577.47

Finding the Fourth Proportional to 99,699.37, 149,577.30 and 40,577.47

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Solution

The fourth proportional to 99,699.37, 149,577.30 and 40,577.47 is: 60,877.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,699.37 : 149,577.30 = 40,577.47 : x
  2. Step 2: Convert to fraction form
    99,699.37/149,577.30 = 40,577.47/x
  3. Step 3: Cross multiply
    99,699.37x = 149,577.30 × 40,577.47
  4. Step 4: Simplify right side
    99,699.37x = 6,069,468,029.49
  5. Step 5: Solve for x
    x = 6,069,468,029.49/99,699.37
  6. Step 6: Final answer
    x = 60,877.70

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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.