Home / 56,054.48-77,356.06-30,560.88

Finding the Fourth Proportional to 56,054.48, 77,356.06 and 30,560.88

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Solution

The fourth proportional to 56,054.48, 77,356.06 and 30,560.88 is: 42,174.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,054.48 : 77,356.06 = 30,560.88 : x
  2. Step 2: Convert to fraction form
    56,054.48/77,356.06 = 30,560.88/x
  3. Step 3: Cross multiply
    56,054.48x = 77,356.06 × 30,560.88
  4. Step 4: Simplify right side
    56,054.48x = 2,364,069,266.93
  5. Step 5: Solve for x
    x = 2,364,069,266.93/56,054.48
  6. Step 6: Final answer
    x = 42,174.49

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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.