Home / 76,576.96-105,685.63-46,372.79

Finding the Fourth Proportional to 76,576.96, 105,685.63 and 46,372.79

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Solution

The fourth proportional to 76,576.96, 105,685.63 and 46,372.79 is: 64,000.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,576.96 : 105,685.63 = 46,372.79 : x
  2. Step 2: Convert to fraction form
    76,576.96/105,685.63 = 46,372.79/x
  3. Step 3: Cross multiply
    76,576.96x = 105,685.63 × 46,372.79
  4. Step 4: Simplify right side
    76,576.96x = 4,900,937,079.81
  5. Step 5: Solve for x
    x = 4,900,937,079.81/76,576.96
  6. Step 6: Final answer
    x = 64,000.15

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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.