Home / 77,302.16-115,946.76-52,501.58

Finding the Fourth Proportional to 77,302.16, 115,946.76 and 52,501.58

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Solution

The fourth proportional to 77,302.16, 115,946.76 and 52,501.58 is: 78,747.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,302.16 : 115,946.76 = 52,501.58 : x
  2. Step 2: Convert to fraction form
    77,302.16/115,946.76 = 52,501.58/x
  3. Step 3: Cross multiply
    77,302.16x = 115,946.76 × 52,501.58
  4. Step 4: Simplify right side
    77,302.16x = 6,087,388,095.88
  5. Step 5: Solve for x
    x = 6,087,388,095.88/77,302.16
  6. Step 6: Final answer
    x = 78,747.97

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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.