Home / 71,280.02-106,707-43,114.84

Finding the Fourth Proportional to 71,280.02, 106,707 and 43,114.84

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Solution

The fourth proportional to 71,280.02, 106,707 and 43,114.84 is: 64,543.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,280.02 : 106,707 = 43,114.84 : x
  2. Step 2: Convert to fraction form
    71,280.02/106,707 = 43,114.84/x
  3. Step 3: Cross multiply
    71,280.02x = 106,707 × 43,114.84
  4. Step 4: Simplify right side
    71,280.02x = 4,600,655,231.88
  5. Step 5: Solve for x
    x = 4,600,655,231.88/71,280.02
  6. Step 6: Final answer
    x = 64,543.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.