Home / 105,361.22-158,041.98-43,031.72

Finding the Fourth Proportional to 105,361.22, 158,041.98 and 43,031.72

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Solution

The fourth proportional to 105,361.22, 158,041.98 and 43,031.72 is: 64,547.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,361.22 : 158,041.98 = 43,031.72 : x
  2. Step 2: Convert to fraction form
    105,361.22/158,041.98 = 43,031.72/x
  3. Step 3: Cross multiply
    105,361.22x = 158,041.98 × 43,031.72
  4. Step 4: Simplify right side
    105,361.22x = 6,800,817,441.40
  5. Step 5: Solve for x
    x = 6,800,817,441.40/105,361.22
  6. Step 6: Final answer
    x = 64,547.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.