Home / 99,482.72-149,130.28-49,515.58

Finding the Fourth Proportional to 99,482.72, 149,130.28 and 49,515.58

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Solution

The fourth proportional to 99,482.72, 149,130.28 and 49,515.58 is: 74,226.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,482.72 : 149,130.28 = 49,515.58 : x
  2. Step 2: Convert to fraction form
    99,482.72/149,130.28 = 49,515.58/x
  3. Step 3: Cross multiply
    99,482.72x = 149,130.28 × 49,515.58
  4. Step 4: Simplify right side
    99,482.72x = 7,384,272,309.76
  5. Step 5: Solve for x
    x = 7,384,272,309.76/99,482.72
  6. Step 6: Final answer
    x = 74,226.68

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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.