Home / 55,714.02-76,885.11-30,562.98

Finding the Fourth Proportional to 55,714.02, 76,885.11 and 30,562.98

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Solution

The fourth proportional to 55,714.02, 76,885.11 and 30,562.98 is: 42,176.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,714.02 : 76,885.11 = 30,562.98 : x
  2. Step 2: Convert to fraction form
    55,714.02/76,885.11 = 30,562.98/x
  3. Step 3: Cross multiply
    55,714.02x = 76,885.11 × 30,562.98
  4. Step 4: Simplify right side
    55,714.02x = 2,349,838,079.23
  5. Step 5: Solve for x
    x = 2,349,838,079.23/55,714.02
  6. Step 6: Final answer
    x = 42,176.78

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1.5x scale

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.