Home / 105,004.48-144,902.96-57,258.76

Finding the Fourth Proportional to 105,004.48, 144,902.96 and 57,258.76

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Solution

The fourth proportional to 105,004.48, 144,902.96 and 57,258.76 is: 79,015.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,004.48 : 144,902.96 = 57,258.76 : x
  2. Step 2: Convert to fraction form
    105,004.48/144,902.96 = 57,258.76/x
  3. Step 3: Cross multiply
    105,004.48x = 144,902.96 × 57,258.76
  4. Step 4: Simplify right side
    105,004.48x = 8,296,963,809.93
  5. Step 5: Solve for x
    x = 8,296,963,809.93/105,004.48
  6. Step 6: Final answer
    x = 79,015.33

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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.