Home / 104,258.54-143,877.04-56,511.84

Finding the Fourth Proportional to 104,258.54, 143,877.04 and 56,511.84

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Solution

The fourth proportional to 104,258.54, 143,877.04 and 56,511.84 is: 77,986.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,258.54 : 143,877.04 = 56,511.84 : x
  2. Step 2: Convert to fraction form
    104,258.54/143,877.04 = 56,511.84/x
  3. Step 3: Cross multiply
    104,258.54x = 143,877.04 × 56,511.84
  4. Step 4: Simplify right side
    104,258.54x = 8,130,756,264.15
  5. Step 5: Solve for x
    x = 8,130,756,264.15/104,258.54
  6. Step 6: Final answer
    x = 77,986.48

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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.