Home / 104,638.06-144,365.38-59,312.49

Finding the Fourth Proportional to 104,638.06, 144,365.38 and 59,312.49

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Solution

The fourth proportional to 104,638.06, 144,365.38 and 59,312.49 is: 81,831.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,638.06 : 144,365.38 = 59,312.49 : x
  2. Step 2: Convert to fraction form
    104,638.06/144,365.38 = 59,312.49/x
  3. Step 3: Cross multiply
    104,638.06x = 144,365.38 × 59,312.49
  4. Step 4: Simplify right side
    104,638.06x = 8,562,670,157.60
  5. Step 5: Solve for x
    x = 8,562,670,157.60/104,638.06
  6. Step 6: Final answer
    x = 81,831.32

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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.