Home / 92,821.96-128,084.52-52,529.32

Finding the Fourth Proportional to 92,821.96, 128,084.52 and 52,529.32

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Solution

The fourth proportional to 92,821.96, 128,084.52 and 52,529.32 is: 72,484.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,821.96 : 128,084.52 = 52,529.32 : x
  2. Step 2: Convert to fraction form
    92,821.96/128,084.52 = 52,529.32/x
  3. Step 3: Cross multiply
    92,821.96x = 128,084.52 × 52,529.32
  4. Step 4: Simplify right side
    92,821.96x = 6,728,192,738.13
  5. Step 5: Solve for x
    x = 6,728,192,738.13/92,821.96
  6. Step 6: Final answer
    x = 72,484.92

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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.