Home / 42,099.77-63,157.99-15,446.02

Finding the Fourth Proportional to 42,099.77, 63,157.99 and 15,446.02

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Solution

The fourth proportional to 42,099.77, 63,157.99 and 15,446.02 is: 23,172.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,099.77 : 63,157.99 = 15,446.02 : x
  2. Step 2: Convert to fraction form
    42,099.77/63,157.99 = 15,446.02/x
  3. Step 3: Cross multiply
    42,099.77x = 63,157.99 × 15,446.02
  4. Step 4: Simplify right side
    42,099.77x = 975,539,380.19
  5. Step 5: Solve for x
    x = 975,539,380.19/42,099.77
  6. Step 6: Final answer
    x = 23,172.08

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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.