Home / 77,703.40-116,555.73-25,112.86

Finding the Fourth Proportional to 77,703.40, 116,555.73 and 25,112.86

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Solution

The fourth proportional to 77,703.40, 116,555.73 and 25,112.86 is: 37,669.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,703.40 : 116,555.73 = 25,112.86 : x
  2. Step 2: Convert to fraction form
    77,703.40/116,555.73 = 25,112.86/x
  3. Step 3: Cross multiply
    77,703.40x = 116,555.73 × 25,112.86
  4. Step 4: Simplify right side
    77,703.40x = 2,927,047,729.69
  5. Step 5: Solve for x
    x = 2,927,047,729.69/77,703.40
  6. Step 6: Final answer
    x = 37,669.49

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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.