Home / 48,477.42-72,707.90-13,408.88

Finding the Fourth Proportional to 48,477.42, 72,707.90 and 13,408.88

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Solution

The fourth proportional to 48,477.42, 72,707.90 and 13,408.88 is: 20,111.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,477.42 : 72,707.90 = 13,408.88 : x
  2. Step 2: Convert to fraction form
    48,477.42/72,707.90 = 13,408.88/x
  3. Step 3: Cross multiply
    48,477.42x = 72,707.90 × 13,408.88
  4. Step 4: Simplify right side
    48,477.42x = 974,931,075.57
  5. Step 5: Solve for x
    x = 974,931,075.57/48,477.42
  6. Step 6: Final answer
    x = 20,111.03

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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.