Home / 61,976.72-85,504.20-38,095.76

Finding the Fourth Proportional to 61,976.72, 85,504.20 and 38,095.76

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Solution

The fourth proportional to 61,976.72, 85,504.20 and 38,095.76 is: 52,557.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,976.72 : 85,504.20 = 38,095.76 : x
  2. Step 2: Convert to fraction form
    61,976.72/85,504.20 = 38,095.76/x
  3. Step 3: Cross multiply
    61,976.72x = 85,504.20 × 38,095.76
  4. Step 4: Simplify right side
    61,976.72x = 3,257,347,482.19
  5. Step 5: Solve for x
    x = 3,257,347,482.19/61,976.72
  6. Step 6: Final answer
    x = 52,557.60

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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.