Home / 104,475.02-144,176.08-56,728.36

Finding the Fourth Proportional to 104,475.02, 144,176.08 and 56,728.36

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Solution

The fourth proportional to 104,475.02, 144,176.08 and 56,728.36 is: 78,285.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,475.02 : 144,176.08 = 56,728.36 : x
  2. Step 2: Convert to fraction form
    104,475.02/144,176.08 = 56,728.36/x
  3. Step 3: Cross multiply
    104,475.02x = 144,176.08 × 56,728.36
  4. Step 4: Simplify right side
    104,475.02x = 8,178,872,067.37
  5. Step 5: Solve for x
    x = 8,178,872,067.37/104,475.02
  6. Step 6: Final answer
    x = 78,285.43

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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.