Home / 56,781.27-84,734.44-49,870.35

Finding the Fourth Proportional to 56,781.27, 84,734.44 and 49,870.35

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Solution

The fourth proportional to 56,781.27, 84,734.44 and 49,870.35 is: 74,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,781.27 : 84,734.44 = 49,870.35 : x
  2. Step 2: Convert to fraction form
    56,781.27/84,734.44 = 49,870.35/x
  3. Step 3: Cross multiply
    56,781.27x = 84,734.44 × 49,870.35
  4. Step 4: Simplify right side
    56,781.27x = 4,225,736,055.18
  5. Step 5: Solve for x
    x = 4,225,736,055.18/56,781.27
  6. Step 6: Final answer
    x = 74,421.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.