Home / 93,728.12-140,529.81-51,628.01

Finding the Fourth Proportional to 93,728.12, 140,529.81 and 51,628.01

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Solution

The fourth proportional to 93,728.12, 140,529.81 and 51,628.01 is: 77,407.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,728.12 : 140,529.81 = 51,628.01 : x
  2. Step 2: Convert to fraction form
    93,728.12/140,529.81 = 51,628.01/x
  3. Step 3: Cross multiply
    93,728.12x = 140,529.81 × 51,628.01
  4. Step 4: Simplify right side
    93,728.12x = 7,255,274,435.98
  5. Step 5: Solve for x
    x = 7,255,274,435.98/93,728.12
  6. Step 6: Final answer
    x = 77,407.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.