Home / 77,312.24-115,897.00-53,630.96

Finding the Fourth Proportional to 77,312.24, 115,897.00 and 53,630.96

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Solution

The fourth proportional to 77,312.24, 115,897.00 and 53,630.96 is: 80,396.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,312.24 : 115,897.00 = 53,630.96 : x
  2. Step 2: Convert to fraction form
    77,312.24/115,897.00 = 53,630.96/x
  3. Step 3: Cross multiply
    77,312.24x = 115,897.00 × 53,630.96
  4. Step 4: Simplify right side
    77,312.24x = 6,215,666,657.56
  5. Step 5: Solve for x
    x = 6,215,666,657.56/77,312.24
  6. Step 6: Final answer
    x = 80,396.93

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1.5x scale

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.