Home / 45,322.23-67,990.26-23,123.51

Finding the Fourth Proportional to 45,322.23, 67,990.26 and 23,123.51

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Solution

The fourth proportional to 45,322.23, 67,990.26 and 23,123.51 is: 34,688.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,322.23 : 67,990.26 = 23,123.51 : x
  2. Step 2: Convert to fraction form
    45,322.23/67,990.26 = 23,123.51/x
  3. Step 3: Cross multiply
    45,322.23x = 67,990.26 × 23,123.51
  4. Step 4: Simplify right side
    45,322.23x = 1,572,173,117.06
  5. Step 5: Solve for x
    x = 1,572,173,117.06/45,322.23
  6. Step 6: Final answer
    x = 34,688.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.