Home / 76,723.68-105,908.40-59,962.08

Finding the Fourth Proportional to 76,723.68, 105,908.40 and 59,962.08

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Solution

The fourth proportional to 76,723.68, 105,908.40 and 59,962.08 is: 82,770.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,723.68 : 105,908.40 = 59,962.08 : x
  2. Step 2: Convert to fraction form
    76,723.68/105,908.40 = 59,962.08/x
  3. Step 3: Cross multiply
    76,723.68x = 105,908.40 × 59,962.08
  4. Step 4: Simplify right side
    76,723.68x = 6,350,487,953.47
  5. Step 5: Solve for x
    x = 6,350,487,953.47/76,723.68
  6. Step 6: Final answer
    x = 82,770.90

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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.