Home / 56,264.70-77,618.82-40,135.56

Finding the Fourth Proportional to 56,264.70, 77,618.82 and 40,135.56

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Solution

The fourth proportional to 56,264.70, 77,618.82 and 40,135.56 is: 55,368.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,264.70 : 77,618.82 = 40,135.56 : x
  2. Step 2: Convert to fraction form
    56,264.70/77,618.82 = 40,135.56/x
  3. Step 3: Cross multiply
    56,264.70x = 77,618.82 × 40,135.56
  4. Step 4: Simplify right side
    56,264.70x = 3,115,274,807.24
  5. Step 5: Solve for x
    x = 3,115,274,807.24/56,264.70
  6. Step 6: Final answer
    x = 55,368.19

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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.