Home / 114,824.12-158,483.94-72,440.60

Finding the Fourth Proportional to 114,824.12, 158,483.94 and 72,440.60

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Solution

The fourth proportional to 114,824.12, 158,483.94 and 72,440.60 is: 99,984.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,824.12 : 158,483.94 = 72,440.60 : x
  2. Step 2: Convert to fraction form
    114,824.12/158,483.94 = 72,440.60/x
  3. Step 3: Cross multiply
    114,824.12x = 158,483.94 × 72,440.60
  4. Step 4: Simplify right side
    114,824.12x = 11,480,671,703.96
  5. Step 5: Solve for x
    x = 11,480,671,703.96/114,824.12
  6. Step 6: Final answer
    x = 99,984.84

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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.