Home / 70,551.09-97,360.43-38,720.07

Finding the Fourth Proportional to 70,551.09, 97,360.43 and 38,720.07

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Solution

The fourth proportional to 70,551.09, 97,360.43 and 38,720.07 is: 53,433.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,551.09 : 97,360.43 = 38,720.07 : x
  2. Step 2: Convert to fraction form
    70,551.09/97,360.43 = 38,720.07/x
  3. Step 3: Cross multiply
    70,551.09x = 97,360.43 × 38,720.07
  4. Step 4: Simplify right side
    70,551.09x = 3,769,802,471.23
  5. Step 5: Solve for x
    x = 3,769,802,471.23/70,551.09
  6. Step 6: Final answer
    x = 53,433.65

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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.