Home / 48,400.77-72,506.64-31,710.12

Finding the Fourth Proportional to 48,400.77, 72,506.64 and 31,710.12

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Solution

The fourth proportional to 48,400.77, 72,506.64 and 31,710.12 is: 47,503.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,400.77 : 72,506.64 = 31,710.12 : x
  2. Step 2: Convert to fraction form
    48,400.77/72,506.64 = 31,710.12/x
  3. Step 3: Cross multiply
    48,400.77x = 72,506.64 × 31,710.12
  4. Step 4: Simplify right side
    48,400.77x = 2,299,194,102.21
  5. Step 5: Solve for x
    x = 2,299,194,102.21/48,400.77
  6. Step 6: Final answer
    x = 47,503.25

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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.