Home / 124,047.12-171,183.42-67,457.28

Finding the Fourth Proportional to 124,047.12, 171,183.42 and 67,457.28

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Solution

The fourth proportional to 124,047.12, 171,183.42 and 67,457.28 is: 93,090.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,047.12 : 171,183.42 = 67,457.28 : x
  2. Step 2: Convert to fraction form
    124,047.12/171,183.42 = 67,457.28/x
  3. Step 3: Cross multiply
    124,047.12x = 171,183.42 × 67,457.28
  4. Step 4: Simplify right side
    124,047.12x = 11,547,567,894.30
  5. Step 5: Solve for x
    x = 11,547,567,894.30/124,047.12
  6. Step 6: Final answer
    x = 93,090.17

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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.