Home / 94,569.40-141,854.10-77,656.60

Finding the Fourth Proportional to 94,569.40, 141,854.10 and 77,656.60

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Solution

The fourth proportional to 94,569.40, 141,854.10 and 77,656.60 is: 116,484.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,569.40 : 141,854.10 = 77,656.60 : x
  2. Step 2: Convert to fraction form
    94,569.40/141,854.10 = 77,656.60/x
  3. Step 3: Cross multiply
    94,569.40x = 141,854.10 × 77,656.60
  4. Step 4: Simplify right side
    94,569.40x = 11,015,907,102.06
  5. Step 5: Solve for x
    x = 11,015,907,102.06/94,569.40
  6. Step 6: Final answer
    x = 116,484.90

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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.