Home / 53,278.02-73,519.70-30,617.06

Finding the Fourth Proportional to 53,278.02, 73,519.70 and 30,617.06

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Solution

The fourth proportional to 53,278.02, 73,519.70 and 30,617.06 is: 42,249.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,278.02 : 73,519.70 = 30,617.06 : x
  2. Step 2: Convert to fraction form
    53,278.02/73,519.70 = 30,617.06/x
  3. Step 3: Cross multiply
    53,278.02x = 73,519.70 × 30,617.06
  4. Step 4: Simplify right side
    53,278.02x = 2,250,956,545.40
  5. Step 5: Solve for x
    x = 2,250,956,545.40/53,278.02
  6. Step 6: Final answer
    x = 42,249.25

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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.