Home / 56,837.08-78,433.36-31,344.51

Finding the Fourth Proportional to 56,837.08, 78,433.36 and 31,344.51

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Solution

The fourth proportional to 56,837.08, 78,433.36 and 31,344.51 is: 43,254.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,837.08 : 78,433.36 = 31,344.51 : x
  2. Step 2: Convert to fraction form
    56,837.08/78,433.36 = 31,344.51/x
  3. Step 3: Cross multiply
    56,837.08x = 78,433.36 × 31,344.51
  4. Step 4: Simplify right side
    56,837.08x = 2,458,455,158.49
  5. Step 5: Solve for x
    x = 2,458,455,158.49/56,837.08
  6. Step 6: Final answer
    x = 43,254.43

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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.