Home / 72,374.02-108,727.35-51,366.22

Finding the Fourth Proportional to 72,374.02, 108,727.35 and 51,366.22

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Solution

The fourth proportional to 72,374.02, 108,727.35 and 51,366.22 is: 77,167.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,374.02 : 108,727.35 = 51,366.22 : x
  2. Step 2: Convert to fraction form
    72,374.02/108,727.35 = 51,366.22/x
  3. Step 3: Cross multiply
    72,374.02x = 108,727.35 × 51,366.22
  4. Step 4: Simplify right side
    72,374.02x = 5,584,912,980.12
  5. Step 5: Solve for x
    x = 5,584,912,980.12/72,374.02
  6. Step 6: Final answer
    x = 77,167.37

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1.5x scale

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.