Home / 76,318.29-105,300.45-45,701.44

Finding the Fourth Proportional to 76,318.29, 105,300.45 and 45,701.44

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Solution

The fourth proportional to 76,318.29, 105,300.45 and 45,701.44 is: 63,056.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,318.29 : 105,300.45 = 45,701.44 : x
  2. Step 2: Convert to fraction form
    76,318.29/105,300.45 = 45,701.44/x
  3. Step 3: Cross multiply
    76,318.29x = 105,300.45 × 45,701.44
  4. Step 4: Simplify right side
    76,318.29x = 4,812,382,197.65
  5. Step 5: Solve for x
    x = 4,812,382,197.65/76,318.29
  6. Step 6: Final answer
    x = 63,056.74

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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.