Home / 77,094.06-115,417.94-47,421.74

Finding the Fourth Proportional to 77,094.06, 115,417.94 and 47,421.74

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Solution

The fourth proportional to 77,094.06, 115,417.94 and 47,421.74 is: 70,995.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,094.06 : 115,417.94 = 47,421.74 : x
  2. Step 2: Convert to fraction form
    77,094.06/115,417.94 = 47,421.74/x
  3. Step 3: Cross multiply
    77,094.06x = 115,417.94 × 47,421.74
  4. Step 4: Simplify right side
    77,094.06x = 5,473,318,727.82
  5. Step 5: Solve for x
    x = 5,473,318,727.82/77,094.06
  6. Step 6: Final answer
    x = 70,995.34

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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.