Home / 104,760.16-157,061.04-52,206.76

Finding the Fourth Proportional to 104,760.16, 157,061.04 and 52,206.76

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Solution

The fourth proportional to 104,760.16, 157,061.04 and 52,206.76 is: 78,270.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,760.16 : 157,061.04 = 52,206.76 : x
  2. Step 2: Convert to fraction form
    104,760.16/157,061.04 = 52,206.76/x
  3. Step 3: Cross multiply
    104,760.16x = 157,061.04 × 52,206.76
  4. Step 4: Simplify right side
    104,760.16x = 8,199,648,020.63
  5. Step 5: Solve for x
    x = 8,199,648,020.63/104,760.16
  6. Step 6: Final answer
    x = 78,270.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.