Home / 55,402.92-76,457.88-31,208.04

Finding the Fourth Proportional to 55,402.92, 76,457.88 and 31,208.04

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Solution

The fourth proportional to 55,402.92, 76,457.88 and 31,208.04 is: 43,068.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,402.92 : 76,457.88 = 31,208.04 : x
  2. Step 2: Convert to fraction form
    55,402.92/76,457.88 = 31,208.04/x
  3. Step 3: Cross multiply
    55,402.92x = 76,457.88 × 31,208.04
  4. Step 4: Simplify right side
    55,402.92x = 2,386,100,577.36
  5. Step 5: Solve for x
    x = 2,386,100,577.36/55,402.92
  6. Step 6: Final answer
    x = 43,068.14

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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.