Home / 111,953.14-154,501.05-63,558.46

Finding the Fourth Proportional to 111,953.14, 154,501.05 and 63,558.46

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Solution

The fourth proportional to 111,953.14, 154,501.05 and 63,558.46 is: 87,713.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,953.14 : 154,501.05 = 63,558.46 : x
  2. Step 2: Convert to fraction form
    111,953.14/154,501.05 = 63,558.46/x
  3. Step 3: Cross multiply
    111,953.14x = 154,501.05 × 63,558.46
  4. Step 4: Simplify right side
    111,953.14x = 9,819,848,806.38
  5. Step 5: Solve for x
    x = 9,819,848,806.38/111,953.14
  6. Step 6: Final answer
    x = 87,713.92

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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.