Home / 55,733.79-76,913.91-31,862.70

Finding the Fourth Proportional to 55,733.79, 76,913.91 and 31,862.70

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Solution

The fourth proportional to 55,733.79, 76,913.91 and 31,862.70 is: 43,971.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,733.79 : 76,913.91 = 31,862.70 : x
  2. Step 2: Convert to fraction form
    55,733.79/76,913.91 = 31,862.70/x
  3. Step 3: Cross multiply
    55,733.79x = 76,913.91 × 31,862.70
  4. Step 4: Simplify right side
    55,733.79x = 2,450,684,840.16
  5. Step 5: Solve for x
    x = 2,450,684,840.16/55,733.79
  6. Step 6: Final answer
    x = 43,971.26

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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.