Home / 84,253.77-116,242.20-55,587.67

Finding the Fourth Proportional to 84,253.77, 116,242.20 and 55,587.67

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Solution

The fourth proportional to 84,253.77, 116,242.20 and 55,587.67 is: 76,692.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,253.77 : 116,242.20 = 55,587.67 : x
  2. Step 2: Convert to fraction form
    84,253.77/116,242.20 = 55,587.67/x
  3. Step 3: Cross multiply
    84,253.77x = 116,242.20 × 55,587.67
  4. Step 4: Simplify right side
    84,253.77x = 6,461,633,053.67
  5. Step 5: Solve for x
    x = 6,461,633,053.67/84,253.77
  6. Step 6: Final answer
    x = 76,692.51

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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.