Home / 85,934.83-118,588.29-47,692.16

Finding the Fourth Proportional to 85,934.83, 118,588.29 and 47,692.16

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Solution

The fourth proportional to 85,934.83, 118,588.29 and 47,692.16 is: 65,814.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,934.83 : 118,588.29 = 47,692.16 : x
  2. Step 2: Convert to fraction form
    85,934.83/118,588.29 = 47,692.16/x
  3. Step 3: Cross multiply
    85,934.83x = 118,588.29 × 47,692.16
  4. Step 4: Simplify right side
    85,934.83x = 5,655,731,625.89
  5. Step 5: Solve for x
    x = 5,655,731,625.89/85,934.83
  6. Step 6: Final answer
    x = 65,814.19

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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.