Home / 105,741.49-145,932.49-58,004.06

Finding the Fourth Proportional to 105,741.49, 145,932.49 and 58,004.06

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Solution

The fourth proportional to 105,741.49, 145,932.49 and 58,004.06 is: 80,050.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,741.49 : 145,932.49 = 58,004.06 : x
  2. Step 2: Convert to fraction form
    105,741.49/145,932.49 = 58,004.06/x
  3. Step 3: Cross multiply
    105,741.49x = 145,932.49 × 58,004.06
  4. Step 4: Simplify right side
    105,741.49x = 8,464,676,905.91
  5. Step 5: Solve for x
    x = 8,464,676,905.91/105,741.49
  6. Step 6: Final answer
    x = 80,050.67

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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.