Home / 87,361.02-120,549.87-51,070.98

Finding the Fourth Proportional to 87,361.02, 120,549.87 and 51,070.98

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Solution

The fourth proportional to 87,361.02, 120,549.87 and 51,070.98 is: 70,473.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,361.02 : 120,549.87 = 51,070.98 : x
  2. Step 2: Convert to fraction form
    87,361.02/120,549.87 = 51,070.98/x
  3. Step 3: Cross multiply
    87,361.02x = 120,549.87 × 51,070.98
  4. Step 4: Simplify right side
    87,361.02x = 6,156,599,999.77
  5. Step 5: Solve for x
    x = 6,156,599,999.77/87,361.02
  6. Step 6: Final answer
    x = 70,473.08

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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.