Home / 43,235.28-64,873.08-42,536.40

Finding the Fourth Proportional to 43,235.28, 64,873.08 and 42,536.40

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Solution

The fourth proportional to 43,235.28, 64,873.08 and 42,536.40 is: 63,824.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,235.28 : 64,873.08 = 42,536.40 : x
  2. Step 2: Convert to fraction form
    43,235.28/64,873.08 = 42,536.40/x
  3. Step 3: Cross multiply
    43,235.28x = 64,873.08 × 42,536.40
  4. Step 4: Simplify right side
    43,235.28x = 2,759,467,280.11
  5. Step 5: Solve for x
    x = 2,759,467,280.11/43,235.28
  6. Step 6: Final answer
    x = 63,824.43

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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.