Home / 97,127.37-134,038.40-54,687.42

Finding the Fourth Proportional to 97,127.37, 134,038.40 and 54,687.42

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Solution

The fourth proportional to 97,127.37, 134,038.40 and 54,687.42 is: 75,470.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,127.37 : 134,038.40 = 54,687.42 : x
  2. Step 2: Convert to fraction form
    97,127.37/134,038.40 = 54,687.42/x
  3. Step 3: Cross multiply
    97,127.37x = 134,038.40 × 54,687.42
  4. Step 4: Simplify right side
    97,127.37x = 7,330,214,003.49
  5. Step 5: Solve for x
    x = 7,330,214,003.49/97,127.37
  6. Step 6: Final answer
    x = 75,470.12

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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.