Home / 48,486.72-72,730.16-15,209.40

Finding the Fourth Proportional to 48,486.72, 72,730.16 and 15,209.40

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Solution

The fourth proportional to 48,486.72, 72,730.16 and 15,209.40 is: 22,814.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,486.72 : 72,730.16 = 15,209.40 : x
  2. Step 2: Convert to fraction form
    48,486.72/72,730.16 = 15,209.40/x
  3. Step 3: Cross multiply
    48,486.72x = 72,730.16 × 15,209.40
  4. Step 4: Simplify right side
    48,486.72x = 1,106,182,095.50
  5. Step 5: Solve for x
    x = 1,106,182,095.50/48,486.72
  6. Step 6: Final answer
    x = 22,814.13

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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.