Home / 58,431.07-80,606.69-38,279.08

Finding the Fourth Proportional to 58,431.07, 80,606.69 and 38,279.08

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Solution

The fourth proportional to 58,431.07, 80,606.69 and 38,279.08 is: 52,806.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,431.07 : 80,606.69 = 38,279.08 : x
  2. Step 2: Convert to fraction form
    58,431.07/80,606.69 = 38,279.08/x
  3. Step 3: Cross multiply
    58,431.07x = 80,606.69 × 38,279.08
  4. Step 4: Simplify right side
    58,431.07x = 3,085,550,203.27
  5. Step 5: Solve for x
    x = 3,085,550,203.27/58,431.07
  6. Step 6: Final answer
    x = 52,806.67

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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.