Home / 97,853.46-135,031.32-54,825.45

Finding the Fourth Proportional to 97,853.46, 135,031.32 and 54,825.45

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Solution

The fourth proportional to 97,853.46, 135,031.32 and 54,825.45 is: 75,655.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,853.46 : 135,031.32 = 54,825.45 : x
  2. Step 2: Convert to fraction form
    97,853.46/135,031.32 = 54,825.45/x
  3. Step 3: Cross multiply
    97,853.46x = 135,031.32 × 54,825.45
  4. Step 4: Simplify right side
    97,853.46x = 7,403,152,883.09
  5. Step 5: Solve for x
    x = 7,403,152,883.09/97,853.46
  6. Step 6: Final answer
    x = 75,655.50

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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.