Home / 112,701.02-169,083.13-45,280.40

Finding the Fourth Proportional to 112,701.02, 169,083.13 and 45,280.40

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Solution

The fourth proportional to 112,701.02, 169,083.13 and 45,280.40 is: 67,933.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,701.02 : 169,083.13 = 45,280.40 : x
  2. Step 2: Convert to fraction form
    112,701.02/169,083.13 = 45,280.40/x
  3. Step 3: Cross multiply
    112,701.02x = 169,083.13 × 45,280.40
  4. Step 4: Simplify right side
    112,701.02x = 7,656,151,837.03
  5. Step 5: Solve for x
    x = 7,656,151,837.03/112,701.02
  6. Step 6: Final answer
    x = 67,933.30

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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.