Home / 85,271.13-127,995.41-62,807.17

Finding the Fourth Proportional to 85,271.13, 127,995.41 and 62,807.17

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Solution

The fourth proportional to 85,271.13, 127,995.41 and 62,807.17 is: 94,276.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,271.13 : 127,995.41 = 62,807.17 : x
  2. Step 2: Convert to fraction form
    85,271.13/127,995.41 = 62,807.17/x
  3. Step 3: Cross multiply
    85,271.13x = 127,995.41 × 62,807.17
  4. Step 4: Simplify right side
    85,271.13x = 8,039,029,475.09
  5. Step 5: Solve for x
    x = 8,039,029,475.09/85,271.13
  6. Step 6: Final answer
    x = 94,276.10

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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.