Home / 85,692.02-118,254.91-47,451.56

Finding the Fourth Proportional to 85,692.02, 118,254.91 and 47,451.56

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Solution

The fourth proportional to 85,692.02, 118,254.91 and 47,451.56 is: 65,483.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,692.02 : 118,254.91 = 47,451.56 : x
  2. Step 2: Convert to fraction form
    85,692.02/118,254.91 = 47,451.56/x
  3. Step 3: Cross multiply
    85,692.02x = 118,254.91 × 47,451.56
  4. Step 4: Simplify right side
    85,692.02x = 5,611,379,719.90
  5. Step 5: Solve for x
    x = 5,611,379,719.90/85,692.02
  6. Step 6: Final answer
    x = 65,483.11

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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.