Home / 96,739.60-145,109.40-82,915.60

Finding the Fourth Proportional to 96,739.60, 145,109.40 and 82,915.60

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Solution

The fourth proportional to 96,739.60, 145,109.40 and 82,915.60 is: 124,373.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,739.60 : 145,109.40 = 82,915.60 : x
  2. Step 2: Convert to fraction form
    96,739.60/145,109.40 = 82,915.60/x
  3. Step 3: Cross multiply
    96,739.60x = 145,109.40 × 82,915.60
  4. Step 4: Simplify right side
    96,739.60x = 12,031,832,966.64
  5. Step 5: Solve for x
    x = 12,031,832,966.64/96,739.60
  6. Step 6: Final answer
    x = 124,373.40

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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.