Home / 85,834.61-118,453.18-47,595.77

Finding the Fourth Proportional to 85,834.61, 118,453.18 and 47,595.77

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Solution

The fourth proportional to 85,834.61, 118,453.18 and 47,595.77 is: 65,682.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,834.61 : 118,453.18 = 47,595.77 : x
  2. Step 2: Convert to fraction form
    85,834.61/118,453.18 = 47,595.77/x
  3. Step 3: Cross multiply
    85,834.61x = 118,453.18 × 47,595.77
  4. Step 4: Simplify right side
    85,834.61x = 5,637,870,311.05
  5. Step 5: Solve for x
    x = 5,637,870,311.05/85,834.61
  6. Step 6: Final answer
    x = 65,682.95

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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.