Home / 76,566.41-105,653.18-45,937.88

Finding the Fourth Proportional to 76,566.41, 105,653.18 and 45,937.88

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Solution

The fourth proportional to 76,566.41, 105,653.18 and 45,937.88 is: 63,389.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,566.41 : 105,653.18 = 45,937.88 : x
  2. Step 2: Convert to fraction form
    76,566.41/105,653.18 = 45,937.88/x
  3. Step 3: Cross multiply
    76,566.41x = 105,653.18 × 45,937.88
  4. Step 4: Simplify right side
    76,566.41x = 4,853,482,691.04
  5. Step 5: Solve for x
    x = 4,853,482,691.04/76,566.41
  6. Step 6: Final answer
    x = 63,389.19

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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.