Home / 100,688.46-151,024.78-58,541.68

Finding the Fourth Proportional to 100,688.46, 151,024.78 and 58,541.68

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Solution

The fourth proportional to 100,688.46, 151,024.78 and 58,541.68 is: 87,807.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,688.46 : 151,024.78 = 58,541.68 : x
  2. Step 2: Convert to fraction form
    100,688.46/151,024.78 = 58,541.68/x
  3. Step 3: Cross multiply
    100,688.46x = 151,024.78 × 58,541.68
  4. Step 4: Simplify right side
    100,688.46x = 8,841,244,342.83
  5. Step 5: Solve for x
    x = 8,841,244,342.83/100,688.46
  6. Step 6: Final answer
    x = 87,807.92

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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.