Home / 77,566.60-107,055.84-45,733.60

Finding the Fourth Proportional to 77,566.60, 107,055.84 and 45,733.60

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Solution

The fourth proportional to 77,566.60, 107,055.84 and 45,733.60 is: 63,120.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,566.60 : 107,055.84 = 45,733.60 : x
  2. Step 2: Convert to fraction form
    77,566.60/107,055.84 = 45,733.60/x
  3. Step 3: Cross multiply
    77,566.60x = 107,055.84 × 45,733.60
  4. Step 4: Simplify right side
    77,566.60x = 4,896,048,964.22
  5. Step 5: Solve for x
    x = 4,896,048,964.22/77,566.60
  6. Step 6: Final answer
    x = 63,120.58

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1.5x scale

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.