Home / 105,178.37-145,126.61-59,853.66

Finding the Fourth Proportional to 105,178.37, 145,126.61 and 59,853.66

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Solution

The fourth proportional to 105,178.37, 145,126.61 and 59,853.66 is: 82,586.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,178.37 : 145,126.61 = 59,853.66 : x
  2. Step 2: Convert to fraction form
    105,178.37/145,126.61 = 59,853.66/x
  3. Step 3: Cross multiply
    105,178.37x = 145,126.61 × 59,853.66
  4. Step 4: Simplify right side
    105,178.37x = 8,686,358,771.89
  5. Step 5: Solve for x
    x = 8,686,358,771.89/105,178.37
  6. Step 6: Final answer
    x = 82,586.93

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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.