Home / 54,518.10-81,777.15-51,602.10

Finding the Fourth Proportional to 54,518.10, 81,777.15 and 51,602.10

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Solution

The fourth proportional to 54,518.10, 81,777.15 and 51,602.10 is: 77,403.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,518.10 : 81,777.15 = 51,602.10 : x
  2. Step 2: Convert to fraction form
    54,518.10/81,777.15 = 51,602.10/x
  3. Step 3: Cross multiply
    54,518.10x = 81,777.15 × 51,602.10
  4. Step 4: Simplify right side
    54,518.10x = 4,219,872,672.02
  5. Step 5: Solve for x
    x = 4,219,872,672.02/54,518.10
  6. Step 6: Final answer
    x = 77,403.15

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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.