Home / 104,370.47-156,427.40-48,132.50

Finding the Fourth Proportional to 104,370.47, 156,427.40 and 48,132.50

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Solution

The fourth proportional to 104,370.47, 156,427.40 and 48,132.50 is: 72,139.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,370.47 : 156,427.40 = 48,132.50 : x
  2. Step 2: Convert to fraction form
    104,370.47/156,427.40 = 48,132.50/x
  3. Step 3: Cross multiply
    104,370.47x = 156,427.40 × 48,132.50
  4. Step 4: Simplify right side
    104,370.47x = 7,529,241,830.50
  5. Step 5: Solve for x
    x = 7,529,241,830.50/104,370.47
  6. Step 6: Final answer
    x = 72,139.58

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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.