Home / 76,651.08-105,777.30-43,117.16

Finding the Fourth Proportional to 76,651.08, 105,777.30 and 43,117.16

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Solution

The fourth proportional to 76,651.08, 105,777.30 and 43,117.16 is: 59,501.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,651.08 : 105,777.30 = 43,117.16 : x
  2. Step 2: Convert to fraction form
    76,651.08/105,777.30 = 43,117.16/x
  3. Step 3: Cross multiply
    76,651.08x = 105,777.30 × 43,117.16
  4. Step 4: Simplify right side
    76,651.08x = 4,560,816,768.47
  5. Step 5: Solve for x
    x = 4,560,816,768.47/76,651.08
  6. Step 6: Final answer
    x = 59,501.01

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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.