Home / 70,355.37-97,071.17-45,219.45

Finding the Fourth Proportional to 70,355.37, 97,071.17 and 45,219.45

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Solution

The fourth proportional to 70,355.37, 97,071.17 and 45,219.45 is: 62,390.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,355.37 : 97,071.17 = 45,219.45 : x
  2. Step 2: Convert to fraction form
    70,355.37/97,071.17 = 45,219.45/x
  3. Step 3: Cross multiply
    70,355.37x = 97,071.17 × 45,219.45
  4. Step 4: Simplify right side
    70,355.37x = 4,389,504,692.16
  5. Step 5: Solve for x
    x = 4,389,504,692.16/70,355.37
  6. Step 6: Final answer
    x = 62,390.47

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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.