Home / 77,030.28-115,522.47-32,656.32

Finding the Fourth Proportional to 77,030.28, 115,522.47 and 32,656.32

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Solution

The fourth proportional to 77,030.28, 115,522.47 and 32,656.32 is: 48,974.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,030.28 : 115,522.47 = 32,656.32 : x
  2. Step 2: Convert to fraction form
    77,030.28/115,522.47 = 32,656.32/x
  3. Step 3: Cross multiply
    77,030.28x = 115,522.47 × 32,656.32
  4. Step 4: Simplify right side
    77,030.28x = 3,772,538,747.51
  5. Step 5: Solve for x
    x = 3,772,538,747.51/77,030.28
  6. Step 6: Final answer
    x = 48,974.75

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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.