Home / 99,724.36-149,461.98-64,090.84

Finding the Fourth Proportional to 99,724.36, 149,461.98 and 64,090.84

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Solution

The fourth proportional to 99,724.36, 149,461.98 and 64,090.84 is: 96,056.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,724.36 : 149,461.98 = 64,090.84 : x
  2. Step 2: Convert to fraction form
    99,724.36/149,461.98 = 64,090.84/x
  3. Step 3: Cross multiply
    99,724.36x = 149,461.98 × 64,090.84
  4. Step 4: Simplify right side
    99,724.36x = 9,579,143,846.26
  5. Step 5: Solve for x
    x = 9,579,143,846.26/99,724.36
  6. Step 6: Final answer
    x = 96,056.21

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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.