Home / 104,721.02-144,510.72-56,974.42

Finding the Fourth Proportional to 104,721.02, 144,510.72 and 56,974.42

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Solution

The fourth proportional to 104,721.02, 144,510.72 and 56,974.42 is: 78,622.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,721.02 : 144,510.72 = 56,974.42 : x
  2. Step 2: Convert to fraction form
    104,721.02/144,510.72 = 56,974.42/x
  3. Step 3: Cross multiply
    104,721.02x = 144,510.72 × 56,974.42
  4. Step 4: Simplify right side
    104,721.02x = 8,233,413,733.23
  5. Step 5: Solve for x
    x = 8,233,413,733.23/104,721.02
  6. Step 6: Final answer
    x = 78,622.36

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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.