Home / 102,586.34-153,877.88-52,637.60

Finding the Fourth Proportional to 102,586.34, 153,877.88 and 52,637.60

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Solution

The fourth proportional to 102,586.34, 153,877.88 and 52,637.60 is: 78,955.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,586.34 : 153,877.88 = 52,637.60 : x
  2. Step 2: Convert to fraction form
    102,586.34/153,877.88 = 52,637.60/x
  3. Step 3: Cross multiply
    102,586.34x = 153,877.88 × 52,637.60
  4. Step 4: Simplify right side
    102,586.34x = 8,099,762,296.29
  5. Step 5: Solve for x
    x = 8,099,762,296.29/102,586.34
  6. Step 6: Final answer
    x = 78,955.56

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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.