Home / 109,237.62-150,762.27-61,500.30

Finding the Fourth Proportional to 109,237.62, 150,762.27 and 61,500.30

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Solution

The fourth proportional to 109,237.62, 150,762.27 and 61,500.30 is: 84,878.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,237.62 : 150,762.27 = 61,500.30 : x
  2. Step 2: Convert to fraction form
    109,237.62/150,762.27 = 61,500.30/x
  3. Step 3: Cross multiply
    109,237.62x = 150,762.27 × 61,500.30
  4. Step 4: Simplify right side
    109,237.62x = 9,271,924,833.68
  5. Step 5: Solve for x
    x = 9,271,924,833.68/109,237.62
  6. Step 6: Final answer
    x = 84,878.50

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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.