Home / 104,415.64-144,093.80-61,982.68

Finding the Fourth Proportional to 104,415.64, 144,093.80 and 61,982.68

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Solution

The fourth proportional to 104,415.64, 144,093.80 and 61,982.68 is: 85,536.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,415.64 : 144,093.80 = 61,982.68 : x
  2. Step 2: Convert to fraction form
    104,415.64/144,093.80 = 61,982.68/x
  3. Step 3: Cross multiply
    104,415.64x = 144,093.80 × 61,982.68
  4. Step 4: Simplify right side
    104,415.64x = 8,931,319,895.38
  5. Step 5: Solve for x
    x = 8,931,319,895.38/104,415.64
  6. Step 6: Final answer
    x = 85,536.23

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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.