Home / 46,070.07-69,105.10-12,790.15

Finding the Fourth Proportional to 46,070.07, 69,105.10 and 12,790.15

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Solution

The fourth proportional to 46,070.07, 69,105.10 and 12,790.15 is: 19,185.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,070.07 : 69,105.10 = 12,790.15 : x
  2. Step 2: Convert to fraction form
    46,070.07/69,105.10 = 12,790.15/x
  3. Step 3: Cross multiply
    46,070.07x = 69,105.10 × 12,790.15
  4. Step 4: Simplify right side
    46,070.07x = 883,864,802.72
  5. Step 5: Solve for x
    x = 883,864,802.72/46,070.07
  6. Step 6: Final answer
    x = 19,185.23

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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.