Home / 97,485.93-134,530.59-55,047.21

Finding the Fourth Proportional to 97,485.93, 134,530.59 and 55,047.21

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Solution

The fourth proportional to 97,485.93, 134,530.59 and 55,047.21 is: 75,965.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,485.93 : 134,530.59 = 55,047.21 : x
  2. Step 2: Convert to fraction form
    97,485.93/134,530.59 = 55,047.21/x
  3. Step 3: Cross multiply
    97,485.93x = 134,530.59 × 55,047.21
  4. Step 4: Simplify right side
    97,485.93x = 7,405,533,639.15
  5. Step 5: Solve for x
    x = 7,405,533,639.15/97,485.93
  6. Step 6: Final answer
    x = 75,965.15

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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.