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Finding the Fourth Proportional to 89,050.83, 122,904.03 and 50,810.32

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Solution

The fourth proportional to 89,050.83, 122,904.03 and 50,810.32 is: 70,126.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,050.83 : 122,904.03 = 50,810.32 : x
  2. Step 2: Convert to fraction form
    89,050.83/122,904.03 = 50,810.32/x
  3. Step 3: Cross multiply
    89,050.83x = 122,904.03 × 50,810.32
  4. Step 4: Simplify right side
    89,050.83x = 6,244,793,093.59
  5. Step 5: Solve for x
    x = 6,244,793,093.59/89,050.83
  6. Step 6: Final answer
    x = 70,126.16

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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.