Home / 56,003.49-77,178.45-40,060.26

Finding the Fourth Proportional to 56,003.49, 77,178.45 and 40,060.26

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Solution

The fourth proportional to 56,003.49, 77,178.45 and 40,060.26 is: 55,207.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,003.49 : 77,178.45 = 40,060.26 : x
  2. Step 2: Convert to fraction form
    56,003.49/77,178.45 = 40,060.26/x
  3. Step 3: Cross multiply
    56,003.49x = 77,178.45 × 40,060.26
  4. Step 4: Simplify right side
    56,003.49x = 3,091,788,773.40
  5. Step 5: Solve for x
    x = 3,091,788,773.40/56,003.49
  6. Step 6: Final answer
    x = 55,207.07

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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.