Home / 71,911.53-99,284.13-46,429.34

Finding the Fourth Proportional to 71,911.53, 99,284.13 and 46,429.34

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Solution

The fourth proportional to 71,911.53, 99,284.13 and 46,429.34 is: 64,102.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,911.53 : 99,284.13 = 46,429.34 : x
  2. Step 2: Convert to fraction form
    71,911.53/99,284.13 = 46,429.34/x
  3. Step 3: Cross multiply
    71,911.53x = 99,284.13 × 46,429.34
  4. Step 4: Simplify right side
    71,911.53x = 4,609,696,131.95
  5. Step 5: Solve for x
    x = 4,609,696,131.95/71,911.53
  6. Step 6: Final answer
    x = 64,102.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.