Home / 48,496.65-72,746.19-13,436.61

Finding the Fourth Proportional to 48,496.65, 72,746.19 and 13,436.61

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Solution

The fourth proportional to 48,496.65, 72,746.19 and 13,436.61 is: 20,155.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,496.65 : 72,746.19 = 13,436.61 : x
  2. Step 2: Convert to fraction form
    48,496.65/72,746.19 = 13,436.61/x
  3. Step 3: Cross multiply
    48,496.65x = 72,746.19 × 13,436.61
  4. Step 4: Simplify right side
    48,496.65x = 977,462,184.02
  5. Step 5: Solve for x
    x = 977,462,184.02/48,496.65
  6. Step 6: Final answer
    x = 20,155.25

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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.