Home / 94,580.40-141,870.60-28,030.80

Finding the Fourth Proportional to 94,580.40, 141,870.60 and 28,030.80

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Solution

The fourth proportional to 94,580.40, 141,870.60 and 28,030.80 is: 42,046.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,580.40 : 141,870.60 = 28,030.80 : x
  2. Step 2: Convert to fraction form
    94,580.40/141,870.60 = 28,030.80/x
  3. Step 3: Cross multiply
    94,580.40x = 141,870.60 × 28,030.80
  4. Step 4: Simplify right side
    94,580.40x = 3,976,746,414.48
  5. Step 5: Solve for x
    x = 3,976,746,414.48/94,580.40
  6. Step 6: Final answer
    x = 42,046.20

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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.