Home / 77,259.44-115,693.14-64,746.56

Finding the Fourth Proportional to 77,259.44, 115,693.14 and 64,746.56

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Solution

The fourth proportional to 77,259.44, 115,693.14 and 64,746.56 is: 96,955.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,259.44 : 115,693.14 = 64,746.56 : x
  2. Step 2: Convert to fraction form
    77,259.44/115,693.14 = 64,746.56/x
  3. Step 3: Cross multiply
    77,259.44x = 115,693.14 × 64,746.56
  4. Step 4: Simplify right side
    77,259.44x = 7,490,732,830.60
  5. Step 5: Solve for x
    x = 7,490,732,830.60/77,259.44
  6. Step 6: Final answer
    x = 96,955.57

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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.