Home / 53,155.17-73,355.01-29,281.86

Finding the Fourth Proportional to 53,155.17, 73,355.01 and 29,281.86

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Solution

The fourth proportional to 53,155.17, 73,355.01 and 29,281.86 is: 40,409.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,155.17 : 73,355.01 = 29,281.86 : x
  2. Step 2: Convert to fraction form
    53,155.17/73,355.01 = 29,281.86/x
  3. Step 3: Cross multiply
    53,155.17x = 73,355.01 × 29,281.86
  4. Step 4: Simplify right side
    53,155.17x = 2,147,971,133.12
  5. Step 5: Solve for x
    x = 2,147,971,133.12/53,155.17
  6. Step 6: Final answer
    x = 40,409.45

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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.