Home / 88,031.54-131,981.64-52,962.98

Finding the Fourth Proportional to 88,031.54, 131,981.64 and 52,962.98

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Solution

The fourth proportional to 88,031.54, 131,981.64 and 52,962.98 is: 79,404.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,031.54 : 131,981.64 = 52,962.98 : x
  2. Step 2: Convert to fraction form
    88,031.54/131,981.64 = 52,962.98/x
  3. Step 3: Cross multiply
    88,031.54x = 131,981.64 × 52,962.98
  4. Step 4: Simplify right side
    88,031.54x = 6,990,140,959.69
  5. Step 5: Solve for x
    x = 6,990,140,959.69/88,031.54
  6. Step 6: Final answer
    x = 79,404.96

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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.