Home / 77,239.76-106,639.02-59,299.04

Finding the Fourth Proportional to 77,239.76, 106,639.02 and 59,299.04

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Solution

The fourth proportional to 77,239.76, 106,639.02 and 59,299.04 is: 81,869.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,239.76 : 106,639.02 = 59,299.04 : x
  2. Step 2: Convert to fraction form
    77,239.76/106,639.02 = 59,299.04/x
  3. Step 3: Cross multiply
    77,239.76x = 106,639.02 × 59,299.04
  4. Step 4: Simplify right side
    77,239.76x = 6,323,591,512.54
  5. Step 5: Solve for x
    x = 6,323,591,512.54/77,239.76
  6. Step 6: Final answer
    x = 81,869.64

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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.