Home / 105,492.24-145,580.90-57,750.03

Finding the Fourth Proportional to 105,492.24, 145,580.90 and 57,750.03

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Solution

The fourth proportional to 105,492.24, 145,580.90 and 57,750.03 is: 79,695.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,492.24 : 145,580.90 = 57,750.03 : x
  2. Step 2: Convert to fraction form
    105,492.24/145,580.90 = 57,750.03/x
  3. Step 3: Cross multiply
    105,492.24x = 145,580.90 × 57,750.03
  4. Step 4: Simplify right side
    105,492.24x = 8,407,301,053.68
  5. Step 5: Solve for x
    x = 8,407,301,053.68/105,492.24
  6. Step 6: Final answer
    x = 79,695.92

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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.