Home / 42,909.96-64,354.68-14,831.01

Finding the Fourth Proportional to 42,909.96, 64,354.68 and 14,831.01

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Solution

The fourth proportional to 42,909.96, 64,354.68 and 14,831.01 is: 22,242.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,909.96 : 64,354.68 = 14,831.01 : x
  2. Step 2: Convert to fraction form
    42,909.96/64,354.68 = 14,831.01/x
  3. Step 3: Cross multiply
    42,909.96x = 64,354.68 × 14,831.01
  4. Step 4: Simplify right side
    42,909.96x = 954,444,902.63
  5. Step 5: Solve for x
    x = 954,444,902.63/42,909.96
  6. Step 6: Final answer
    x = 22,242.97

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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.