Home / 103,271.40-154,910.34-36,710.46

Finding the Fourth Proportional to 103,271.40, 154,910.34 and 36,710.46

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Solution

The fourth proportional to 103,271.40, 154,910.34 and 36,710.46 is: 55,066.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,271.40 : 154,910.34 = 36,710.46 : x
  2. Step 2: Convert to fraction form
    103,271.40/154,910.34 = 36,710.46/x
  3. Step 3: Cross multiply
    103,271.40x = 154,910.34 × 36,710.46
  4. Step 4: Simplify right side
    103,271.40x = 5,686,829,840.16
  5. Step 5: Solve for x
    x = 5,686,829,840.16/103,271.40
  6. Step 6: Final answer
    x = 55,066.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.