Home / 61,897.36-85,438.68-36,402.61

Finding the Fourth Proportional to 61,897.36, 85,438.68 and 36,402.61

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Solution

The fourth proportional to 61,897.36, 85,438.68 and 36,402.61 is: 50,247.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,897.36 : 85,438.68 = 36,402.61 : x
  2. Step 2: Convert to fraction form
    61,897.36/85,438.68 = 36,402.61/x
  3. Step 3: Cross multiply
    61,897.36x = 85,438.68 × 36,402.61
  4. Step 4: Simplify right side
    61,897.36x = 3,110,190,946.95
  5. Step 5: Solve for x
    x = 3,110,190,946.95/61,897.36
  6. Step 6: Final answer
    x = 50,247.55

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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.