Home / 69,840.36-96,384.60-42,626.79

Finding the Fourth Proportional to 69,840.36, 96,384.60 and 42,626.79

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Solution

The fourth proportional to 69,840.36, 96,384.60 and 42,626.79 is: 58,827.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,840.36 : 96,384.60 = 42,626.79 : x
  2. Step 2: Convert to fraction form
    69,840.36/96,384.60 = 42,626.79/x
  3. Step 3: Cross multiply
    69,840.36x = 96,384.60 × 42,626.79
  4. Step 4: Simplify right side
    69,840.36x = 4,108,566,103.43
  5. Step 5: Solve for x
    x = 4,108,566,103.43/69,840.36
  6. Step 6: Final answer
    x = 58,827.96

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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.