Home / 70,741.75-97,637.48-40,547.31

Finding the Fourth Proportional to 70,741.75, 97,637.48 and 40,547.31

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Solution

The fourth proportional to 70,741.75, 97,637.48 and 40,547.31 is: 55,963.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,741.75 : 97,637.48 = 40,547.31 : x
  2. Step 2: Convert to fraction form
    70,741.75/97,637.48 = 40,547.31/x
  3. Step 3: Cross multiply
    70,741.75x = 97,637.48 × 40,547.31
  4. Step 4: Simplify right side
    70,741.75x = 3,958,937,169.18
  5. Step 5: Solve for x
    x = 3,958,937,169.18/70,741.75
  6. Step 6: Final answer
    x = 55,963.23

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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.