Home / 56,585.41-78,093.80-31,434.91

Finding the Fourth Proportional to 56,585.41, 78,093.80 and 31,434.91

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Solution

The fourth proportional to 56,585.41, 78,093.80 and 31,434.91 is: 43,383.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,585.41 : 78,093.80 = 31,434.91 : x
  2. Step 2: Convert to fraction form
    56,585.41/78,093.80 = 31,434.91/x
  3. Step 3: Cross multiply
    56,585.41x = 78,093.80 × 31,434.91
  4. Step 4: Simplify right side
    56,585.41x = 2,454,871,574.56
  5. Step 5: Solve for x
    x = 2,454,871,574.56/56,585.41
  6. Step 6: Final answer
    x = 43,383.47

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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.