Home / 72,971.28-100,701.63-44,291.61

Finding the Fourth Proportional to 72,971.28, 100,701.63 and 44,291.61

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Solution

The fourth proportional to 72,971.28, 100,701.63 and 44,291.61 is: 61,123.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,971.28 : 100,701.63 = 44,291.61 : x
  2. Step 2: Convert to fraction form
    72,971.28/100,701.63 = 44,291.61/x
  3. Step 3: Cross multiply
    72,971.28x = 100,701.63 × 44,291.61
  4. Step 4: Simplify right side
    72,971.28x = 4,460,237,322.32
  5. Step 5: Solve for x
    x = 4,460,237,322.32/72,971.28
  6. Step 6: Final answer
    x = 61,123.19

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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.