Home / 55,594.12-76,718.40-31,720.36

Finding the Fourth Proportional to 55,594.12, 76,718.40 and 31,720.36

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Solution

The fourth proportional to 55,594.12, 76,718.40 and 31,720.36 is: 43,773.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,594.12 : 76,718.40 = 31,720.36 : x
  2. Step 2: Convert to fraction form
    55,594.12/76,718.40 = 31,720.36/x
  3. Step 3: Cross multiply
    55,594.12x = 76,718.40 × 31,720.36
  4. Step 4: Simplify right side
    55,594.12x = 2,433,535,266.62
  5. Step 5: Solve for x
    x = 2,433,535,266.62/55,594.12
  6. Step 6: Final answer
    x = 43,773.25

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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.