Home / 58,747.54-81,071.65-31,890.04

Finding the Fourth Proportional to 58,747.54, 81,071.65 and 31,890.04

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Solution

The fourth proportional to 58,747.54, 81,071.65 and 31,890.04 is: 44,008.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,747.54 : 81,071.65 = 31,890.04 : x
  2. Step 2: Convert to fraction form
    58,747.54/81,071.65 = 31,890.04/x
  3. Step 3: Cross multiply
    58,747.54x = 81,071.65 × 31,890.04
  4. Step 4: Simplify right side
    58,747.54x = 2,585,378,161.37
  5. Step 5: Solve for x
    x = 2,585,378,161.37/58,747.54
  6. Step 6: Final answer
    x = 44,008.28

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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.