Home / 102,211.45-141,050.36-56,889.44

Finding the Fourth Proportional to 102,211.45, 141,050.36 and 56,889.44

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Solution

The fourth proportional to 102,211.45, 141,050.36 and 56,889.44 is: 78,506.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,211.45 : 141,050.36 = 56,889.44 : x
  2. Step 2: Convert to fraction form
    102,211.45/141,050.36 = 56,889.44/x
  3. Step 3: Cross multiply
    102,211.45x = 141,050.36 × 56,889.44
  4. Step 4: Simplify right side
    102,211.45x = 8,024,276,344.82
  5. Step 5: Solve for x
    x = 8,024,276,344.82/102,211.45
  6. Step 6: Final answer
    x = 78,506.63

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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.