Home / 105,812.80-146,026.98-58,065.76

Finding the Fourth Proportional to 105,812.80, 146,026.98 and 58,065.76

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Solution

The fourth proportional to 105,812.80, 146,026.98 and 58,065.76 is: 80,133.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,812.80 : 146,026.98 = 58,065.76 : x
  2. Step 2: Convert to fraction form
    105,812.80/146,026.98 = 58,065.76/x
  3. Step 3: Cross multiply
    105,812.80x = 146,026.98 × 58,065.76
  4. Step 4: Simplify right side
    105,812.80x = 8,479,167,574.20
  5. Step 5: Solve for x
    x = 8,479,167,574.20/105,812.80
  6. Step 6: Final answer
    x = 80,133.67

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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.