Home / 56,719.40-85,079.10-48,943.40

Finding the Fourth Proportional to 56,719.40, 85,079.10 and 48,943.40

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Solution

The fourth proportional to 56,719.40, 85,079.10 and 48,943.40 is: 73,415.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,719.40 : 85,079.10 = 48,943.40 : x
  2. Step 2: Convert to fraction form
    56,719.40/85,079.10 = 48,943.40/x
  3. Step 3: Cross multiply
    56,719.40x = 85,079.10 × 48,943.40
  4. Step 4: Simplify right side
    56,719.40x = 4,164,060,422.94
  5. Step 5: Solve for x
    x = 4,164,060,422.94/56,719.40
  6. Step 6: Final answer
    x = 73,415.10

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1.5x scale

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.