Home / 105,435.51-158,153.37-43,106.01

Finding the Fourth Proportional to 105,435.51, 158,153.37 and 43,106.01

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Solution

The fourth proportional to 105,435.51, 158,153.37 and 43,106.01 is: 64,659.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,435.51 : 158,153.37 = 43,106.01 : x
  2. Step 2: Convert to fraction form
    105,435.51/158,153.37 = 43,106.01/x
  3. Step 3: Cross multiply
    105,435.51x = 158,153.37 × 43,106.01
  4. Step 4: Simplify right side
    105,435.51x = 6,817,360,748.75
  5. Step 5: Solve for x
    x = 6,817,360,748.75/105,435.51
  6. Step 6: Final answer
    x = 64,659.06

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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.