Home / 85,934.77-118,588.20-47,692.10

Finding the Fourth Proportional to 85,934.77, 118,588.20 and 47,692.10

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Solution

The fourth proportional to 85,934.77, 118,588.20 and 47,692.10 is: 65,814.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,934.77 : 118,588.20 = 47,692.10 : x
  2. Step 2: Convert to fraction form
    85,934.77/118,588.20 = 47,692.10/x
  3. Step 3: Cross multiply
    85,934.77x = 118,588.20 × 47,692.10
  4. Step 4: Simplify right side
    85,934.77x = 5,655,720,056.16
  5. Step 5: Solve for x
    x = 5,655,720,056.16/85,934.77
  6. Step 6: Final answer
    x = 65,814.10

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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.