Home / 76,191.32-105,195.98-47,522.18

Finding the Fourth Proportional to 76,191.32, 105,195.98 and 47,522.18

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Solution

The fourth proportional to 76,191.32, 105,195.98 and 47,522.18 is: 65,613.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,191.32 : 105,195.98 = 47,522.18 : x
  2. Step 2: Convert to fraction form
    76,191.32/105,195.98 = 47,522.18/x
  3. Step 3: Cross multiply
    76,191.32x = 105,195.98 × 47,522.18
  4. Step 4: Simplify right side
    76,191.32x = 4,999,142,059.23
  5. Step 5: Solve for x
    x = 4,999,142,059.23/76,191.32
  6. Step 6: Final answer
    x = 65,613.01

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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.