Home / 76,865.32-106,079.02-43,333.48

Finding the Fourth Proportional to 76,865.32, 106,079.02 and 43,333.48

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Solution

The fourth proportional to 76,865.32, 106,079.02 and 43,333.48 is: 59,802.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,865.32 : 106,079.02 = 43,333.48 : x
  2. Step 2: Convert to fraction form
    76,865.32/106,079.02 = 43,333.48/x
  3. Step 3: Cross multiply
    76,865.32x = 106,079.02 × 43,333.48
  4. Step 4: Simplify right side
    76,865.32x = 4,596,773,091.59
  5. Step 5: Solve for x
    x = 4,596,773,091.59/76,865.32
  6. Step 6: Final answer
    x = 59,802.95

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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.