Home / 85,271.49-127,995.96-62,807.53

Finding the Fourth Proportional to 85,271.49, 127,995.96 and 62,807.53

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Solution

The fourth proportional to 85,271.49, 127,995.96 and 62,807.53 is: 94,276.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,271.49 : 127,995.96 = 62,807.53 : x
  2. Step 2: Convert to fraction form
    85,271.49/127,995.96 = 62,807.53/x
  3. Step 3: Cross multiply
    85,271.49x = 127,995.96 × 62,807.53
  4. Step 4: Simplify right side
    85,271.49x = 8,039,110,097.58
  5. Step 5: Solve for x
    x = 8,039,110,097.58/85,271.49
  6. Step 6: Final answer
    x = 94,276.65

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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.