Home / 105,750.13-145,934.18-58,003.67

Finding the Fourth Proportional to 105,750.13, 145,934.18 and 58,003.67

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Solution

The fourth proportional to 105,750.13, 145,934.18 and 58,003.67 is: 80,044.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,750.13 : 145,934.18 = 58,003.67 : x
  2. Step 2: Convert to fraction form
    105,750.13/145,934.18 = 58,003.67/x
  3. Step 3: Cross multiply
    105,750.13x = 145,934.18 × 58,003.67
  4. Step 4: Simplify right side
    105,750.13x = 8,464,718,018.44
  5. Step 5: Solve for x
    x = 8,464,718,018.44/105,750.13
  6. Step 6: Final answer
    x = 80,044.52

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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.