Home / 99,560.16-149,322.24-43,368.80

Finding the Fourth Proportional to 99,560.16, 149,322.24 and 43,368.80

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Solution

The fourth proportional to 99,560.16, 149,322.24 and 43,368.80 is: 65,045.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,560.16 : 149,322.24 = 43,368.80 : x
  2. Step 2: Convert to fraction form
    99,560.16/149,322.24 = 43,368.80/x
  3. Step 3: Cross multiply
    99,560.16x = 149,322.24 × 43,368.80
  4. Step 4: Simplify right side
    99,560.16x = 6,475,926,362.11
  5. Step 5: Solve for x
    x = 6,475,926,362.11/99,560.16
  6. Step 6: Final answer
    x = 65,045.36

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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.