Home / 96,986.28-145,479.40-26,865.60

Finding the Fourth Proportional to 96,986.28, 145,479.40 and 26,865.60

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Solution

The fourth proportional to 96,986.28, 145,479.40 and 26,865.60 is: 40,298.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,986.28 : 145,479.40 = 26,865.60 : x
  2. Step 2: Convert to fraction form
    96,986.28/145,479.40 = 26,865.60/x
  3. Step 3: Cross multiply
    96,986.28x = 145,479.40 × 26,865.60
  4. Step 4: Simplify right side
    96,986.28x = 3,908,391,368.64
  5. Step 5: Solve for x
    x = 3,908,391,368.64/96,986.28
  6. Step 6: Final answer
    x = 40,298.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.