Home / 77,665.60-116,498.40-33,284.80

Finding the Fourth Proportional to 77,665.60, 116,498.40 and 33,284.80

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Solution

The fourth proportional to 77,665.60, 116,498.40 and 33,284.80 is: 49,927.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,665.60 : 116,498.40 = 33,284.80 : x
  2. Step 2: Convert to fraction form
    77,665.60/116,498.40 = 33,284.80/x
  3. Step 3: Cross multiply
    77,665.60x = 116,498.40 × 33,284.80
  4. Step 4: Simplify right side
    77,665.60x = 3,877,625,944.32
  5. Step 5: Solve for x
    x = 3,877,625,944.32/77,665.60
  6. Step 6: Final answer
    x = 49,927.20

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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.