Home / 78,706.17-108,618.37-44,261.74

Finding the Fourth Proportional to 78,706.17, 108,618.37 and 44,261.74

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Solution

The fourth proportional to 78,706.17, 108,618.37 and 44,261.74 is: 61,083.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,706.17 : 108,618.37 = 44,261.74 : x
  2. Step 2: Convert to fraction form
    78,706.17/108,618.37 = 44,261.74/x
  3. Step 3: Cross multiply
    78,706.17x = 108,618.37 × 44,261.74
  4. Step 4: Simplify right side
    78,706.17x = 4,807,638,052.16
  5. Step 5: Solve for x
    x = 4,807,638,052.16/78,706.17
  6. Step 6: Final answer
    x = 61,083.37

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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.