Home / 106,581.54-147,074.55-61,259.64

Finding the Fourth Proportional to 106,581.54, 147,074.55 and 61,259.64

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Solution

The fourth proportional to 106,581.54, 147,074.55 and 61,259.64 is: 84,533.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,581.54 : 147,074.55 = 61,259.64 : x
  2. Step 2: Convert to fraction form
    106,581.54/147,074.55 = 61,259.64/x
  3. Step 3: Cross multiply
    106,581.54x = 147,074.55 × 61,259.64
  4. Step 4: Simplify right side
    106,581.54x = 9,009,733,986.16
  5. Step 5: Solve for x
    x = 9,009,733,986.16/106,581.54
  6. Step 6: Final answer
    x = 84,533.72

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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.