Home / 70,615.03-97,451.81-40,409.83

Finding the Fourth Proportional to 70,615.03, 97,451.81 and 40,409.83

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Solution

The fourth proportional to 70,615.03, 97,451.81 and 40,409.83 is: 55,767.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,615.03 : 97,451.81 = 40,409.83 : x
  2. Step 2: Convert to fraction form
    70,615.03/97,451.81 = 40,409.83/x
  3. Step 3: Cross multiply
    70,615.03x = 97,451.81 × 40,409.83
  4. Step 4: Simplify right side
    70,615.03x = 3,938,011,075.29
  5. Step 5: Solve for x
    x = 3,938,011,075.29/70,615.03
  6. Step 6: Final answer
    x = 55,767.32

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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.