Home / 121,744.16-168,023.63-70,060.19

Finding the Fourth Proportional to 121,744.16, 168,023.63 and 70,060.19

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Solution

The fourth proportional to 121,744.16, 168,023.63 and 70,060.19 is: 96,692.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,744.16 : 168,023.63 = 70,060.19 : x
  2. Step 2: Convert to fraction form
    121,744.16/168,023.63 = 70,060.19/x
  3. Step 3: Cross multiply
    121,744.16x = 168,023.63 × 70,060.19
  4. Step 4: Simplify right side
    121,744.16x = 11,771,767,512.05
  5. Step 5: Solve for x
    x = 11,771,767,512.05/121,744.16
  6. Step 6: Final answer
    x = 96,692.67

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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.