Home / 70,646.04-97,485.88-40,424.43

Finding the Fourth Proportional to 70,646.04, 97,485.88 and 40,424.43

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Solution

The fourth proportional to 70,646.04, 97,485.88 and 40,424.43 is: 55,782.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,646.04 : 97,485.88 = 40,424.43 : x
  2. Step 2: Convert to fraction form
    70,646.04/97,485.88 = 40,424.43/x
  3. Step 3: Cross multiply
    70,646.04x = 97,485.88 × 40,424.43
  4. Step 4: Simplify right side
    70,646.04x = 3,940,811,472.36
  5. Step 5: Solve for x
    x = 3,940,811,472.36/70,646.04
  6. Step 6: Final answer
    x = 55,782.48

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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.