Home / 94,784.88-142,178.76-31,603.92

Finding the Fourth Proportional to 94,784.88, 142,178.76 and 31,603.92

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Solution

The fourth proportional to 94,784.88, 142,178.76 and 31,603.92 is: 47,406.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,784.88 : 142,178.76 = 31,603.92 : x
  2. Step 2: Convert to fraction form
    94,784.88/142,178.76 = 31,603.92/x
  3. Step 3: Cross multiply
    94,784.88x = 142,178.76 × 31,603.92
  4. Step 4: Simplify right side
    94,784.88x = 4,493,406,156.74
  5. Step 5: Solve for x
    x = 4,493,406,156.74/94,784.88
  6. Step 6: Final answer
    x = 47,406.36

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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.