Home / 92,816.28-128,084.63-52,529.31

Finding the Fourth Proportional to 92,816.28, 128,084.63 and 52,529.31

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Solution

The fourth proportional to 92,816.28, 128,084.63 and 52,529.31 is: 72,489.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,816.28 : 128,084.63 = 52,529.31 : x
  2. Step 2: Convert to fraction form
    92,816.28/128,084.63 = 52,529.31/x
  3. Step 3: Cross multiply
    92,816.28x = 128,084.63 × 52,529.31
  4. Step 4: Simplify right side
    92,816.28x = 6,728,196,972.86
  5. Step 5: Solve for x
    x = 6,728,196,972.86/92,816.28
  6. Step 6: Final answer
    x = 72,489.41

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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.