Home / 106,569.32-147,070.55-61,261.97

Finding the Fourth Proportional to 106,569.32, 147,070.55 and 61,261.97

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Solution

The fourth proportional to 106,569.32, 147,070.55 and 61,261.97 is: 84,544.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,569.32 : 147,070.55 = 61,261.97 : x
  2. Step 2: Convert to fraction form
    106,569.32/147,070.55 = 61,261.97/x
  3. Step 3: Cross multiply
    106,569.32x = 147,070.55 × 61,261.97
  4. Step 4: Simplify right side
    106,569.32x = 9,009,831,039.79
  5. Step 5: Solve for x
    x = 9,009,831,039.79/106,569.32
  6. Step 6: Final answer
    x = 84,544.33

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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.