Home / 94,045.74-129,781.35-51,603.90

Finding the Fourth Proportional to 94,045.74, 129,781.35 and 51,603.90

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Solution

The fourth proportional to 94,045.74, 129,781.35 and 51,603.90 is: 71,212.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,045.74 : 129,781.35 = 51,603.90 : x
  2. Step 2: Convert to fraction form
    94,045.74/129,781.35 = 51,603.90/x
  3. Step 3: Cross multiply
    94,045.74x = 129,781.35 × 51,603.90
  4. Step 4: Simplify right side
    94,045.74x = 6,697,223,807.27
  5. Step 5: Solve for x
    x = 6,697,223,807.27/94,045.74
  6. Step 6: Final answer
    x = 71,212.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.