Home / 56,179.99-77,527.93-30,686.38

Finding the Fourth Proportional to 56,179.99, 77,527.93 and 30,686.38

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Solution

The fourth proportional to 56,179.99, 77,527.93 and 30,686.38 is: 42,346.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,179.99 : 77,527.93 = 30,686.38 : x
  2. Step 2: Convert to fraction form
    56,179.99/77,527.93 = 30,686.38/x
  3. Step 3: Cross multiply
    56,179.99x = 77,527.93 × 30,686.38
  4. Step 4: Simplify right side
    56,179.99x = 2,379,050,979.52
  5. Step 5: Solve for x
    x = 2,379,050,979.52/56,179.99
  6. Step 6: Final answer
    x = 42,346.95

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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.