Home / 56,655.38-78,184.93-30,814.16

Finding the Fourth Proportional to 56,655.38, 78,184.93 and 30,814.16

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Solution

The fourth proportional to 56,655.38, 78,184.93 and 30,814.16 is: 42,523.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,655.38 : 78,184.93 = 30,814.16 : x
  2. Step 2: Convert to fraction form
    56,655.38/78,184.93 = 30,814.16/x
  3. Step 3: Cross multiply
    56,655.38x = 78,184.93 × 30,814.16
  4. Step 4: Simplify right side
    56,655.38x = 2,409,202,942.61
  5. Step 5: Solve for x
    x = 2,409,202,942.61/56,655.38
  6. Step 6: Final answer
    x = 42,523.82

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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.