Home / 97,054.32-133,947.60-54,621.36

Finding the Fourth Proportional to 97,054.32, 133,947.60 and 54,621.36

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Solution

The fourth proportional to 97,054.32, 133,947.60 and 54,621.36 is: 75,384.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,054.32 : 133,947.60 = 54,621.36 : x
  2. Step 2: Convert to fraction form
    97,054.32/133,947.60 = 54,621.36/x
  3. Step 3: Cross multiply
    97,054.32x = 133,947.60 × 54,621.36
  4. Step 4: Simplify right side
    97,054.32x = 7,316,400,080.74
  5. Step 5: Solve for x
    x = 7,316,400,080.74/97,054.32
  6. Step 6: Final answer
    x = 75,384.59

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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.