Home / 74,733.99-112,103.15-27,977.91

Finding the Fourth Proportional to 74,733.99, 112,103.15 and 27,977.91

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Solution

The fourth proportional to 74,733.99, 112,103.15 and 27,977.91 is: 41,967.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,733.99 : 112,103.15 = 27,977.91 : x
  2. Step 2: Convert to fraction form
    74,733.99/112,103.15 = 27,977.91/x
  3. Step 3: Cross multiply
    74,733.99x = 112,103.15 × 27,977.91
  4. Step 4: Simplify right side
    74,733.99x = 3,136,411,701.53
  5. Step 5: Solve for x
    x = 3,136,411,701.53/74,733.99
  6. Step 6: Final answer
    x = 41,967.67

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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.