Home / 45,354.02-68,030.94-12,074.09

Finding the Fourth Proportional to 45,354.02, 68,030.94 and 12,074.09

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Solution

The fourth proportional to 45,354.02, 68,030.94 and 12,074.09 is: 18,111.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,354.02 : 68,030.94 = 12,074.09 : x
  2. Step 2: Convert to fraction form
    45,354.02/68,030.94 = 12,074.09/x
  3. Step 3: Cross multiply
    45,354.02x = 68,030.94 × 12,074.09
  4. Step 4: Simplify right side
    45,354.02x = 821,411,692.34
  5. Step 5: Solve for x
    x = 821,411,692.34/45,354.02
  6. Step 6: Final answer
    x = 18,111.11

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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.