Home / 58,457.36-87,660.12-40,935.44

Finding the Fourth Proportional to 58,457.36, 87,660.12 and 40,935.44

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Solution

The fourth proportional to 58,457.36, 87,660.12 and 40,935.44 is: 61,385.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,457.36 : 87,660.12 = 40,935.44 : x
  2. Step 2: Convert to fraction form
    58,457.36/87,660.12 = 40,935.44/x
  3. Step 3: Cross multiply
    58,457.36x = 87,660.12 × 40,935.44
  4. Step 4: Simplify right side
    58,457.36x = 3,588,405,582.65
  5. Step 5: Solve for x
    x = 3,588,405,582.65/58,457.36
  6. Step 6: Final answer
    x = 61,385.01

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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.