Home / 56,184.99-77,532.32-30,690.98

Finding the Fourth Proportional to 56,184.99, 77,532.32 and 30,690.98

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Solution

The fourth proportional to 56,184.99, 77,532.32 and 30,690.98 is: 42,351.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,184.99 : 77,532.32 = 30,690.98 : x
  2. Step 2: Convert to fraction form
    56,184.99/77,532.32 = 30,690.98/x
  3. Step 3: Cross multiply
    56,184.99x = 77,532.32 × 30,690.98
  4. Step 4: Simplify right side
    56,184.99x = 2,379,543,125.77
  5. Step 5: Solve for x
    x = 2,379,543,125.77/56,184.99
  6. Step 6: Final answer
    x = 42,351.94

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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.