Home / 92,883.32-128,218.22-62,709.51

Finding the Fourth Proportional to 92,883.32, 128,218.22 and 62,709.51

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Solution

The fourth proportional to 92,883.32, 128,218.22 and 62,709.51 is: 86,565.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,883.32 : 128,218.22 = 62,709.51 : x
  2. Step 2: Convert to fraction form
    92,883.32/128,218.22 = 62,709.51/x
  3. Step 3: Cross multiply
    92,883.32x = 128,218.22 × 62,709.51
  4. Step 4: Simplify right side
    92,883.32x = 8,040,501,749.27
  5. Step 5: Solve for x
    x = 8,040,501,749.27/92,883.32
  6. Step 6: Final answer
    x = 86,565.62

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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.