Home / 70,822.23-97,735.05-38,991.15

Finding the Fourth Proportional to 70,822.23, 97,735.05 and 38,991.15

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Solution

The fourth proportional to 70,822.23, 97,735.05 and 38,991.15 is: 53,807.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,822.23 : 97,735.05 = 38,991.15 : x
  2. Step 2: Convert to fraction form
    70,822.23/97,735.05 = 38,991.15/x
  3. Step 3: Cross multiply
    70,822.23x = 97,735.05 × 38,991.15
  4. Step 4: Simplify right side
    70,822.23x = 3,810,801,994.81
  5. Step 5: Solve for x
    x = 3,810,801,994.81/70,822.23
  6. Step 6: Final answer
    x = 53,807.99

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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.