Home / 283,059.12-424,592.94-72,692.40

Finding the Fourth Proportional to 283,059.12, 424,592.94 and 72,692.40

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Solution

The fourth proportional to 283,059.12, 424,592.94 and 72,692.40 is: 109,039.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,059.12 : 424,592.94 = 72,692.40 : x
  2. Step 2: Convert to fraction form
    283,059.12/424,592.94 = 72,692.40/x
  3. Step 3: Cross multiply
    283,059.12x = 424,592.94 × 72,692.40
  4. Step 4: Simplify right side
    283,059.12x = 30,864,679,831.66
  5. Step 5: Solve for x
    x = 30,864,679,831.66/283,059.12
  6. Step 6: Final answer
    x = 109,039.69

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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.