Home / 94,865.40-130,921.70-54,031.26

Finding the Fourth Proportional to 94,865.40, 130,921.70 and 54,031.26

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Solution

The fourth proportional to 94,865.40, 130,921.70 and 54,031.26 is: 74,567.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,865.40 : 130,921.70 = 54,031.26 : x
  2. Step 2: Convert to fraction form
    94,865.40/130,921.70 = 54,031.26/x
  3. Step 3: Cross multiply
    94,865.40x = 130,921.70 × 54,031.26
  4. Step 4: Simplify right side
    94,865.40x = 7,073,864,142.19
  5. Step 5: Solve for x
    x = 7,073,864,142.19/94,865.40
  6. Step 6: Final answer
    x = 74,567.38

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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.