Home / 85,840.61-118,460.31-47,602.85

Finding the Fourth Proportional to 85,840.61, 118,460.31 and 47,602.85

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Solution

The fourth proportional to 85,840.61, 118,460.31 and 47,602.85 is: 65,692.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,840.61 : 118,460.31 = 47,602.85 : x
  2. Step 2: Convert to fraction form
    85,840.61/118,460.31 = 47,602.85/x
  3. Step 3: Cross multiply
    85,840.61x = 118,460.31 × 47,602.85
  4. Step 4: Simplify right side
    85,840.61x = 5,639,048,367.88
  5. Step 5: Solve for x
    x = 5,639,048,367.88/85,840.61
  6. Step 6: Final answer
    x = 65,692.08

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1.5x scale

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.