Home / 77,611.21-116,582.64-55,566.25

Finding the Fourth Proportional to 77,611.21, 116,582.64 and 55,566.25

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Solution

The fourth proportional to 77,611.21, 116,582.64 and 55,566.25 is: 83,468.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,611.21 : 116,582.64 = 55,566.25 : x
  2. Step 2: Convert to fraction form
    77,611.21/116,582.64 = 55,566.25/x
  3. Step 3: Cross multiply
    77,611.21x = 116,582.64 × 55,566.25
  4. Step 4: Simplify right side
    77,611.21x = 6,478,060,119.90
  5. Step 5: Solve for x
    x = 6,478,060,119.90/77,611.21
  6. Step 6: Final answer
    x = 83,468.10

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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.