Home / 64,980.24-89,673.48-38,123.22

Finding the Fourth Proportional to 64,980.24, 89,673.48 and 38,123.22

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Solution

The fourth proportional to 64,980.24, 89,673.48 and 38,123.22 is: 52,610.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,980.24 : 89,673.48 = 38,123.22 : x
  2. Step 2: Convert to fraction form
    64,980.24/89,673.48 = 38,123.22/x
  3. Step 3: Cross multiply
    64,980.24x = 89,673.48 × 38,123.22
  4. Step 4: Simplify right side
    64,980.24x = 3,418,641,806.21
  5. Step 5: Solve for x
    x = 3,418,641,806.21/64,980.24
  6. Step 6: Final answer
    x = 52,610.48

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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.