Home / 97,015.32-133,858.98-54,558.36

Finding the Fourth Proportional to 97,015.32, 133,858.98 and 54,558.36

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Solution

The fourth proportional to 97,015.32, 133,858.98 and 54,558.36 is: 75,278.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,015.32 : 133,858.98 = 54,558.36 : x
  2. Step 2: Convert to fraction form
    97,015.32/133,858.98 = 54,558.36/x
  3. Step 3: Cross multiply
    97,015.32x = 133,858.98 × 54,558.36
  4. Step 4: Simplify right side
    97,015.32x = 7,303,126,420.07
  5. Step 5: Solve for x
    x = 7,303,126,420.07/97,015.32
  6. Step 6: Final answer
    x = 75,278.07

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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.