Home / 97,971.52-135,202.28-55,529.16

Finding the Fourth Proportional to 97,971.52, 135,202.28 and 55,529.16

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Solution

The fourth proportional to 97,971.52, 135,202.28 and 55,529.16 is: 76,631.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,971.52 : 135,202.28 = 55,529.16 : x
  2. Step 2: Convert to fraction form
    97,971.52/135,202.28 = 55,529.16/x
  3. Step 3: Cross multiply
    97,971.52x = 135,202.28 × 55,529.16
  4. Step 4: Simplify right side
    97,971.52x = 7,507,669,038.48
  5. Step 5: Solve for x
    x = 7,507,669,038.48/97,971.52
  6. Step 6: Final answer
    x = 76,631.14

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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.