Home / 93,290.86-128,740.08-50,849.56

Finding the Fourth Proportional to 93,290.86, 128,740.08 and 50,849.56

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Solution

The fourth proportional to 93,290.86, 128,740.08 and 50,849.56 is: 70,171.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,290.86 : 128,740.08 = 50,849.56 : x
  2. Step 2: Convert to fraction form
    93,290.86/128,740.08 = 50,849.56/x
  3. Step 3: Cross multiply
    93,290.86x = 128,740.08 × 50,849.56
  4. Step 4: Simplify right side
    93,290.86x = 6,546,376,422.36
  5. Step 5: Solve for x
    x = 6,546,376,422.36/93,290.86
  6. Step 6: Final answer
    x = 70,171.68

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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.