Home / 77,030.60-115,740.30-48,964.10

Finding the Fourth Proportional to 77,030.60, 115,740.30 and 48,964.10

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Solution

The fourth proportional to 77,030.60, 115,740.30 and 48,964.10 is: 73,569.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,030.60 : 115,740.30 = 48,964.10 : x
  2. Step 2: Convert to fraction form
    77,030.60/115,740.30 = 48,964.10/x
  3. Step 3: Cross multiply
    77,030.60x = 115,740.30 × 48,964.10
  4. Step 4: Simplify right side
    77,030.60x = 5,667,119,623.23
  5. Step 5: Solve for x
    x = 5,667,119,623.23/77,030.60
  6. Step 6: Final answer
    x = 73,569.72

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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.