Home / 70,329.16-97,055.31-38,501.02

Finding the Fourth Proportional to 70,329.16, 97,055.31 and 38,501.02

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Solution

The fourth proportional to 70,329.16, 97,055.31 and 38,501.02 is: 53,131.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,329.16 : 97,055.31 = 38,501.02 : x
  2. Step 2: Convert to fraction form
    70,329.16/97,055.31 = 38,501.02/x
  3. Step 3: Cross multiply
    70,329.16x = 97,055.31 × 38,501.02
  4. Step 4: Simplify right side
    70,329.16x = 3,736,728,431.42
  5. Step 5: Solve for x
    x = 3,736,728,431.42/70,329.16
  6. Step 6: Final answer
    x = 53,131.99

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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.