Home / 70,739.76-97,619.25-38,907.99

Finding the Fourth Proportional to 70,739.76, 97,619.25 and 38,907.99

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Solution

The fourth proportional to 70,739.76, 97,619.25 and 38,907.99 is: 53,692.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,739.76 : 97,619.25 = 38,907.99 : x
  2. Step 2: Convert to fraction form
    70,739.76/97,619.25 = 38,907.99/x
  3. Step 3: Cross multiply
    70,739.76x = 97,619.25 × 38,907.99
  4. Step 4: Simplify right side
    70,739.76x = 3,798,168,802.81
  5. Step 5: Solve for x
    x = 3,798,168,802.81/70,739.76
  6. Step 6: Final answer
    x = 53,692.14

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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.