Home / 80,830.07-121,188.73-35,827.01

Finding the Fourth Proportional to 80,830.07, 121,188.73 and 35,827.01

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Solution

The fourth proportional to 80,830.07, 121,188.73 and 35,827.01 is: 53,715.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,830.07 : 121,188.73 = 35,827.01 : x
  2. Step 2: Convert to fraction form
    80,830.07/121,188.73 = 35,827.01/x
  3. Step 3: Cross multiply
    80,830.07x = 121,188.73 × 35,827.01
  4. Step 4: Simplify right side
    80,830.07x = 4,341,829,841.60
  5. Step 5: Solve for x
    x = 4,341,829,841.60/80,830.07
  6. Step 6: Final answer
    x = 53,715.53

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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.