Home / 105,551.19-145,677.63-60,231.08

Finding the Fourth Proportional to 105,551.19, 145,677.63 and 60,231.08

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Solution

The fourth proportional to 105,551.19, 145,677.63 and 60,231.08 is: 83,128.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,551.19 : 145,677.63 = 60,231.08 : x
  2. Step 2: Convert to fraction form
    105,551.19/145,677.63 = 60,231.08/x
  3. Step 3: Cross multiply
    105,551.19x = 145,677.63 × 60,231.08
  4. Step 4: Simplify right side
    105,551.19x = 8,774,320,258.35
  5. Step 5: Solve for x
    x = 8,774,320,258.35/105,551.19
  6. Step 6: Final answer
    x = 83,128.58

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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.