Home / 70,637.04-97,451.53-40,406.22

Finding the Fourth Proportional to 70,637.04, 97,451.53 and 40,406.22

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Solution

The fourth proportional to 70,637.04, 97,451.53 and 40,406.22 is: 55,744.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,637.04 : 97,451.53 = 40,406.22 : x
  2. Step 2: Convert to fraction form
    70,637.04/97,451.53 = 40,406.22/x
  3. Step 3: Cross multiply
    70,637.04x = 97,451.53 × 40,406.22
  4. Step 4: Simplify right side
    70,637.04x = 3,937,647,960.52
  5. Step 5: Solve for x
    x = 3,937,647,960.52/70,637.04
  6. Step 6: Final answer
    x = 55,744.80

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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.