Home / 98,637.20-148,016.55-42,504.20

Finding the Fourth Proportional to 98,637.20, 148,016.55 and 42,504.20

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Solution

The fourth proportional to 98,637.20, 148,016.55 and 42,504.20 is: 63,782.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,637.20 : 148,016.55 = 42,504.20 : x
  2. Step 2: Convert to fraction form
    98,637.20/148,016.55 = 42,504.20/x
  3. Step 3: Cross multiply
    98,637.20x = 148,016.55 × 42,504.20
  4. Step 4: Simplify right side
    98,637.20x = 6,291,325,044.51
  5. Step 5: Solve for x
    x = 6,291,325,044.51/98,637.20
  6. Step 6: Final answer
    x = 63,782.48

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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.