Home / 48,472.02-72,714.31-13,411.98

Finding the Fourth Proportional to 48,472.02, 72,714.31 and 13,411.98

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Solution

The fourth proportional to 48,472.02, 72,714.31 and 13,411.98 is: 20,119.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,472.02 : 72,714.31 = 13,411.98 : x
  2. Step 2: Convert to fraction form
    48,472.02/72,714.31 = 13,411.98/x
  3. Step 3: Cross multiply
    48,472.02x = 72,714.31 × 13,411.98
  4. Step 4: Simplify right side
    48,472.02x = 975,242,837.90
  5. Step 5: Solve for x
    x = 975,242,837.90/48,472.02
  6. Step 6: Final answer
    x = 20,119.71

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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.