Home / 85,934.74-118,588.15-47,692.06

Finding the Fourth Proportional to 85,934.74, 118,588.15 and 47,692.06

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Solution

The fourth proportional to 85,934.74, 118,588.15 and 47,692.06 is: 65,814.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,934.74 : 118,588.15 = 47,692.06 : x
  2. Step 2: Convert to fraction form
    85,934.74/118,588.15 = 47,692.06/x
  3. Step 3: Cross multiply
    85,934.74x = 118,588.15 × 47,692.06
  4. Step 4: Simplify right side
    85,934.74x = 5,655,712,333.69
  5. Step 5: Solve for x
    x = 5,655,712,333.69/85,934.74
  6. Step 6: Final answer
    x = 65,814.04

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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.