Home / 71,800.02-99,072.90-41,588.28

Finding the Fourth Proportional to 71,800.02, 99,072.90 and 41,588.28

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Solution

The fourth proportional to 71,800.02, 99,072.90 and 41,588.28 is: 57,385.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,800.02 : 99,072.90 = 41,588.28 : x
  2. Step 2: Convert to fraction form
    71,800.02/99,072.90 = 41,588.28/x
  3. Step 3: Cross multiply
    71,800.02x = 99,072.90 × 41,588.28
  4. Step 4: Simplify right side
    71,800.02x = 4,120,271,505.61
  5. Step 5: Solve for x
    x = 4,120,271,505.61/71,800.02
  6. Step 6: Final answer
    x = 57,385.38

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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.