Home / 77,730.40-116,566.80-25,141.60

Finding the Fourth Proportional to 77,730.40, 116,566.80 and 25,141.60

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Solution

The fourth proportional to 77,730.40, 116,566.80 and 25,141.60 is: 37,703.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,730.40 : 116,566.80 = 25,141.60 : x
  2. Step 2: Convert to fraction form
    77,730.40/116,566.80 = 25,141.60/x
  3. Step 3: Cross multiply
    77,730.40x = 116,566.80 × 25,141.60
  4. Step 4: Simplify right side
    77,730.40x = 2,930,675,858.88
  5. Step 5: Solve for x
    x = 2,930,675,858.88/77,730.40
  6. Step 6: Final answer
    x = 37,703.08

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1.5x scale

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.