Home / 42,923.60-64,316.28-26,473.04

Finding the Fourth Proportional to 42,923.60, 64,316.28 and 26,473.04

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Solution

The fourth proportional to 42,923.60, 64,316.28 and 26,473.04 is: 39,666.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,923.60 : 64,316.28 = 26,473.04 : x
  2. Step 2: Convert to fraction form
    42,923.60/64,316.28 = 26,473.04/x
  3. Step 3: Cross multiply
    42,923.60x = 64,316.28 × 26,473.04
  4. Step 4: Simplify right side
    42,923.60x = 1,702,647,453.09
  5. Step 5: Solve for x
    x = 1,702,647,453.09/42,923.60
  6. Step 6: Final answer
    x = 39,666.93

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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.