Home / 92,370.07-127,472.12-54,120.46

Finding the Fourth Proportional to 92,370.07, 127,472.12 and 54,120.46

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Solution

The fourth proportional to 92,370.07, 127,472.12 and 54,120.46 is: 74,687.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,370.07 : 127,472.12 = 54,120.46 : x
  2. Step 2: Convert to fraction form
    92,370.07/127,472.12 = 54,120.46/x
  3. Step 3: Cross multiply
    92,370.07x = 127,472.12 × 54,120.46
  4. Step 4: Simplify right side
    92,370.07x = 6,898,849,771.58
  5. Step 5: Solve for x
    x = 6,898,849,771.58/92,370.07
  6. Step 6: Final answer
    x = 74,687.07

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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.