Home / 56,901.40-85,352.10-51,263.80

Finding the Fourth Proportional to 56,901.40, 85,352.10 and 51,263.80

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Solution

The fourth proportional to 56,901.40, 85,352.10 and 51,263.80 is: 76,895.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,901.40 : 85,352.10 = 51,263.80 : x
  2. Step 2: Convert to fraction form
    56,901.40/85,352.10 = 51,263.80/x
  3. Step 3: Cross multiply
    56,901.40x = 85,352.10 × 51,263.80
  4. Step 4: Simplify right side
    56,901.40x = 4,375,472,983.98
  5. Step 5: Solve for x
    x = 4,375,472,983.98/56,901.40
  6. Step 6: Final answer
    x = 76,895.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.