Home / 101,636.07-140,258.04-56,313.69

Finding the Fourth Proportional to 101,636.07, 140,258.04 and 56,313.69

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Solution

The fourth proportional to 101,636.07, 140,258.04 and 56,313.69 is: 77,713.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,636.07 : 140,258.04 = 56,313.69 : x
  2. Step 2: Convert to fraction form
    101,636.07/140,258.04 = 56,313.69/x
  3. Step 3: Cross multiply
    101,636.07x = 140,258.04 × 56,313.69
  4. Step 4: Simplify right side
    101,636.07x = 7,898,447,784.57
  5. Step 5: Solve for x
    x = 7,898,447,784.57/101,636.07
  6. Step 6: Final answer
    x = 77,713.04

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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.