Home / 92,088.48-127,153.62-71,910.36

Finding the Fourth Proportional to 92,088.48, 127,153.62 and 71,910.36

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Solution

The fourth proportional to 92,088.48, 127,153.62 and 71,910.36 is: 99,292.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,088.48 : 127,153.62 = 71,910.36 : x
  2. Step 2: Convert to fraction form
    92,088.48/127,153.62 = 71,910.36/x
  3. Step 3: Cross multiply
    92,088.48x = 127,153.62 × 71,910.36
  4. Step 4: Simplify right side
    92,088.48x = 9,143,662,589.50
  5. Step 5: Solve for x
    x = 9,143,662,589.50/92,088.48
  6. Step 6: Final answer
    x = 99,292.14

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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.