Home / 92,430.12-127,273.96-76,237.24

Finding the Fourth Proportional to 92,430.12, 127,273.96 and 76,237.24

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Solution

The fourth proportional to 92,430.12, 127,273.96 and 76,237.24 is: 104,976.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,430.12 : 127,273.96 = 76,237.24 : x
  2. Step 2: Convert to fraction form
    92,430.12/127,273.96 = 76,237.24/x
  3. Step 3: Cross multiply
    92,430.12x = 127,273.96 × 76,237.24
  4. Step 4: Simplify right side
    92,430.12x = 9,703,015,434.27
  5. Step 5: Solve for x
    x = 9,703,015,434.27/92,430.12
  6. Step 6: Final answer
    x = 104,976.77

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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.