Home / 48,386.07-72,579.02-31,742.14

Finding the Fourth Proportional to 48,386.07, 72,579.02 and 31,742.14

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Solution

The fourth proportional to 48,386.07, 72,579.02 and 31,742.14 is: 47,613.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,386.07 : 72,579.02 = 31,742.14 : x
  2. Step 2: Convert to fraction form
    48,386.07/72,579.02 = 31,742.14/x
  3. Step 3: Cross multiply
    48,386.07x = 72,579.02 × 31,742.14
  4. Step 4: Simplify right side
    48,386.07x = 2,303,813,413.90
  5. Step 5: Solve for x
    x = 2,303,813,413.90/48,386.07
  6. Step 6: Final answer
    x = 47,613.15

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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.