Home / 78,561.63-108,406.26-46,294.17

Finding the Fourth Proportional to 78,561.63, 108,406.26 and 46,294.17

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Solution

The fourth proportional to 78,561.63, 108,406.26 and 46,294.17 is: 63,880.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,561.63 : 108,406.26 = 46,294.17 : x
  2. Step 2: Convert to fraction form
    78,561.63/108,406.26 = 46,294.17/x
  3. Step 3: Cross multiply
    78,561.63x = 108,406.26 × 46,294.17
  4. Step 4: Simplify right side
    78,561.63x = 5,018,577,829.50
  5. Step 5: Solve for x
    x = 5,018,577,829.50/78,561.63
  6. Step 6: Final answer
    x = 63,880.78

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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.