Home / 56,937.57-78,574.48-31,443.90

Finding the Fourth Proportional to 56,937.57, 78,574.48 and 31,443.90

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Solution

The fourth proportional to 56,937.57, 78,574.48 and 31,443.90 is: 43,392.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,937.57 : 78,574.48 = 31,443.90 : x
  2. Step 2: Convert to fraction form
    56,937.57/78,574.48 = 31,443.90/x
  3. Step 3: Cross multiply
    56,937.57x = 78,574.48 × 31,443.90
  4. Step 4: Simplify right side
    56,937.57x = 2,470,688,091.67
  5. Step 5: Solve for x
    x = 2,470,688,091.67/56,937.57
  6. Step 6: Final answer
    x = 43,392.93

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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.