Home / 101,816.02-140,503.96-56,493.03

Finding the Fourth Proportional to 101,816.02, 140,503.96 and 56,493.03

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Solution

The fourth proportional to 101,816.02, 140,503.96 and 56,493.03 is: 77,959.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,816.02 : 140,503.96 = 56,493.03 : x
  2. Step 2: Convert to fraction form
    101,816.02/140,503.96 = 56,493.03/x
  3. Step 3: Cross multiply
    101,816.02x = 140,503.96 × 56,493.03
  4. Step 4: Simplify right side
    101,816.02x = 7,937,495,024.90
  5. Step 5: Solve for x
    x = 7,937,495,024.90/101,816.02
  6. Step 6: Final answer
    x = 77,959.19

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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.