Home / 89,733.80-134,600.70-56,491.40

Finding the Fourth Proportional to 89,733.80, 134,600.70 and 56,491.40

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Solution

The fourth proportional to 89,733.80, 134,600.70 and 56,491.40 is: 84,737.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,733.80 : 134,600.70 = 56,491.40 : x
  2. Step 2: Convert to fraction form
    89,733.80/134,600.70 = 56,491.40/x
  3. Step 3: Cross multiply
    89,733.80x = 134,600.70 × 56,491.40
  4. Step 4: Simplify right side
    89,733.80x = 7,603,781,983.98
  5. Step 5: Solve for x
    x = 7,603,781,983.98/89,733.80
  6. Step 6: Final answer
    x = 84,737.10

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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.