Home / 93,089.30-128,313.86-62,864.96

Finding the Fourth Proportional to 93,089.30, 128,313.86 and 62,864.96

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Solution

The fourth proportional to 93,089.30, 128,313.86 and 62,864.96 is: 86,652.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,089.30 : 128,313.86 = 62,864.96 : x
  2. Step 2: Convert to fraction form
    93,089.30/128,313.86 = 62,864.96/x
  3. Step 3: Cross multiply
    93,089.30x = 128,313.86 × 62,864.96
  4. Step 4: Simplify right side
    93,089.30x = 8,066,444,720.45
  5. Step 5: Solve for x
    x = 8,066,444,720.45/93,089.30
  6. Step 6: Final answer
    x = 86,652.76

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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.