Home / 56,935.92-78,570.09-31,444.14

Finding the Fourth Proportional to 56,935.92, 78,570.09 and 31,444.14

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Solution

The fourth proportional to 56,935.92, 78,570.09 and 31,444.14 is: 43,392.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,935.92 : 78,570.09 = 31,444.14 : x
  2. Step 2: Convert to fraction form
    56,935.92/78,570.09 = 31,444.14/x
  3. Step 3: Cross multiply
    56,935.92x = 78,570.09 × 31,444.14
  4. Step 4: Simplify right side
    56,935.92x = 2,470,568,909.77
  5. Step 5: Solve for x
    x = 2,470,568,909.77/56,935.92
  6. Step 6: Final answer
    x = 43,392.10

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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.