Home / 74,461.88-111,692.58-30,088.10

Finding the Fourth Proportional to 74,461.88, 111,692.58 and 30,088.10

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Solution

The fourth proportional to 74,461.88, 111,692.58 and 30,088.10 is: 45,132.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,461.88 : 111,692.58 = 30,088.10 : x
  2. Step 2: Convert to fraction form
    74,461.88/111,692.58 = 30,088.10/x
  3. Step 3: Cross multiply
    74,461.88x = 111,692.58 × 30,088.10
  4. Step 4: Simplify right side
    74,461.88x = 3,360,617,516.30
  5. Step 5: Solve for x
    x = 3,360,617,516.30/74,461.88
  6. Step 6: Final answer
    x = 45,132.05

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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.