Home / 77,780.00-116,664.35-30,386.19

Finding the Fourth Proportional to 77,780.00, 116,664.35 and 30,386.19

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Solution

The fourth proportional to 77,780.00, 116,664.35 and 30,386.19 is: 45,577.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,780.00 : 116,664.35 = 30,386.19 : x
  2. Step 2: Convert to fraction form
    77,780.00/116,664.35 = 30,386.19/x
  3. Step 3: Cross multiply
    77,780.00x = 116,664.35 × 30,386.19
  4. Step 4: Simplify right side
    77,780.00x = 3,544,985,181.29
  5. Step 5: Solve for x
    x = 3,544,985,181.29/77,780.00
  6. Step 6: Final answer
    x = 45,577.08

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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.