Home / 56,203.04-77,561.76-31,054.16

Finding the Fourth Proportional to 56,203.04, 77,561.76 and 31,054.16

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Solution

The fourth proportional to 56,203.04, 77,561.76 and 31,054.16 is: 42,855.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,203.04 : 77,561.76 = 31,054.16 : x
  2. Step 2: Convert to fraction form
    56,203.04/77,561.76 = 31,054.16/x
  3. Step 3: Cross multiply
    56,203.04x = 77,561.76 × 31,054.16
  4. Step 4: Simplify right side
    56,203.04x = 2,408,615,304.92
  5. Step 5: Solve for x
    x = 2,408,615,304.92/56,203.04
  6. Step 6: Final answer
    x = 42,855.61

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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.