Home / 70,742.04-97,637.85-40,547.58

Finding the Fourth Proportional to 70,742.04, 97,637.85 and 40,547.58

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Solution

The fourth proportional to 70,742.04, 97,637.85 and 40,547.58 is: 55,963.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,742.04 : 97,637.85 = 40,547.58 : x
  2. Step 2: Convert to fraction form
    70,742.04/97,637.85 = 40,547.58/x
  3. Step 3: Cross multiply
    70,742.04x = 97,637.85 × 40,547.58
  4. Step 4: Simplify right side
    70,742.04x = 3,958,978,533.90
  5. Step 5: Solve for x
    x = 3,958,978,533.90/70,742.04
  6. Step 6: Final answer
    x = 55,963.59

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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.