Home / 70,547.39-97,355.42-38,716.31

Finding the Fourth Proportional to 70,547.39, 97,355.42 and 38,716.31

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Solution

The fourth proportional to 70,547.39, 97,355.42 and 38,716.31 is: 53,428.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,547.39 : 97,355.42 = 38,716.31 : x
  2. Step 2: Convert to fraction form
    70,547.39/97,355.42 = 38,716.31/x
  3. Step 3: Cross multiply
    70,547.39x = 97,355.42 × 38,716.31
  4. Step 4: Simplify right side
    70,547.39x = 3,769,242,620.90
  5. Step 5: Solve for x
    x = 3,769,242,620.90/70,547.39
  6. Step 6: Final answer
    x = 53,428.52

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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.