Home / 93,218.98-128,642.19-50,777.51

Finding the Fourth Proportional to 93,218.98, 128,642.19 and 50,777.51

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Solution

The fourth proportional to 93,218.98, 128,642.19 and 50,777.51 is: 70,072.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,218.98 : 128,642.19 = 50,777.51 : x
  2. Step 2: Convert to fraction form
    93,218.98/128,642.19 = 50,777.51/x
  3. Step 3: Cross multiply
    93,218.98x = 128,642.19 × 50,777.51
  4. Step 4: Simplify right side
    93,218.98x = 6,532,129,688.73
  5. Step 5: Solve for x
    x = 6,532,129,688.73/93,218.98
  6. Step 6: Final answer
    x = 70,072.96

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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.