Home / 98,884.90-148,360.16-39,690.10

Finding the Fourth Proportional to 98,884.90, 148,360.16 and 39,690.10

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Solution

The fourth proportional to 98,884.90, 148,360.16 and 39,690.10 is: 59,548.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,884.90 : 148,360.16 = 39,690.10 : x
  2. Step 2: Convert to fraction form
    98,884.90/148,360.16 = 39,690.10/x
  3. Step 3: Cross multiply
    98,884.90x = 148,360.16 × 39,690.10
  4. Step 4: Simplify right side
    98,884.90x = 5,888,429,586.42
  5. Step 5: Solve for x
    x = 5,888,429,586.42/98,884.90
  6. Step 6: Final answer
    x = 59,548.32

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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.