Home / 48,282.48-66,620.88-31,069.98

Finding the Fourth Proportional to 48,282.48, 66,620.88 and 31,069.98

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Solution

The fourth proportional to 48,282.48, 66,620.88 and 31,069.98 is: 42,870.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,282.48 : 66,620.88 = 31,069.98 : x
  2. Step 2: Convert to fraction form
    48,282.48/66,620.88 = 31,069.98/x
  3. Step 3: Cross multiply
    48,282.48x = 66,620.88 × 31,069.98
  4. Step 4: Simplify right side
    48,282.48x = 2,069,909,409.18
  5. Step 5: Solve for x
    x = 2,069,909,409.18/48,282.48
  6. Step 6: Final answer
    x = 42,870.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.