Home / 90,967.28-125,526.52-53,244.40

Finding the Fourth Proportional to 90,967.28, 125,526.52 and 53,244.40

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Solution

The fourth proportional to 90,967.28, 125,526.52 and 53,244.40 is: 73,472.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,967.28 : 125,526.52 = 53,244.40 : x
  2. Step 2: Convert to fraction form
    90,967.28/125,526.52 = 53,244.40/x
  3. Step 3: Cross multiply
    90,967.28x = 125,526.52 × 53,244.40
  4. Step 4: Simplify right side
    90,967.28x = 6,683,584,241.49
  5. Step 5: Solve for x
    x = 6,683,584,241.49/90,967.28
  6. Step 6: Final answer
    x = 73,472.40

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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.