Home / 48,333.15-72,479-26,140.50

Finding the Fourth Proportional to 48,333.15, 72,479 and 26,140.50

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Solution

The fourth proportional to 48,333.15, 72,479 and 26,140.50 is: 39,199.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,333.15 : 72,479 = 26,140.50 : x
  2. Step 2: Convert to fraction form
    48,333.15/72,479 = 26,140.50/x
  3. Step 3: Cross multiply
    48,333.15x = 72,479 × 26,140.50
  4. Step 4: Simplify right side
    48,333.15x = 1,894,637,299.50
  5. Step 5: Solve for x
    x = 1,894,637,299.50/48,333.15
  6. Step 6: Final answer
    x = 39,199.54

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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.