Home / 56,206.36-77,564.10-31,055.32

Finding the Fourth Proportional to 56,206.36, 77,564.10 and 31,055.32

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Solution

The fourth proportional to 56,206.36, 77,564.10 and 31,055.32 is: 42,855.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,206.36 : 77,564.10 = 31,055.32 : x
  2. Step 2: Convert to fraction form
    56,206.36/77,564.10 = 31,055.32/x
  3. Step 3: Cross multiply
    56,206.36x = 77,564.10 × 31,055.32
  4. Step 4: Simplify right side
    56,206.36x = 2,408,777,946.01
  5. Step 5: Solve for x
    x = 2,408,777,946.01/56,206.36
  6. Step 6: Final answer
    x = 42,855.97

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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.