Home / 75,088.56-112,679.04-30,715.56

Finding the Fourth Proportional to 75,088.56, 112,679.04 and 30,715.56

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Solution

The fourth proportional to 75,088.56, 112,679.04 and 30,715.56 is: 46,092.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,088.56 : 112,679.04 = 30,715.56 : x
  2. Step 2: Convert to fraction form
    75,088.56/112,679.04 = 30,715.56/x
  3. Step 3: Cross multiply
    75,088.56x = 112,679.04 × 30,715.56
  4. Step 4: Simplify right side
    75,088.56x = 3,460,999,813.86
  5. Step 5: Solve for x
    x = 3,460,999,813.86/75,088.56
  6. Step 6: Final answer
    x = 46,092.24

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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.