Home / 48,075.38-72,113.12-12,536.67

Finding the Fourth Proportional to 48,075.38, 72,113.12 and 12,536.67

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Solution

The fourth proportional to 48,075.38, 72,113.12 and 12,536.67 is: 18,805.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,075.38 : 72,113.12 = 12,536.67 : x
  2. Step 2: Convert to fraction form
    48,075.38/72,113.12 = 12,536.67/x
  3. Step 3: Cross multiply
    48,075.38x = 72,113.12 × 12,536.67
  4. Step 4: Simplify right side
    48,075.38x = 904,058,388.11
  5. Step 5: Solve for x
    x = 904,058,388.11/48,075.38
  6. Step 6: Final answer
    x = 18,805.02

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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.