Home / 45,188.07-67,742-17,088.46

Finding the Fourth Proportional to 45,188.07, 67,742 and 17,088.46

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Solution

The fourth proportional to 45,188.07, 67,742 and 17,088.46 is: 25,617.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,188.07 : 67,742 = 17,088.46 : x
  2. Step 2: Convert to fraction form
    45,188.07/67,742 = 17,088.46/x
  3. Step 3: Cross multiply
    45,188.07x = 67,742 × 17,088.46
  4. Step 4: Simplify right side
    45,188.07x = 1,157,606,457.32
  5. Step 5: Solve for x
    x = 1,157,606,457.32/45,188.07
  6. Step 6: Final answer
    x = 25,617.52

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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.