Home / 88,514.78-122,305.77-70,756.34

Finding the Fourth Proportional to 88,514.78, 122,305.77 and 70,756.34

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Solution

The fourth proportional to 88,514.78, 122,305.77 and 70,756.34 is: 97,767.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,514.78 : 122,305.77 = 70,756.34 : x
  2. Step 2: Convert to fraction form
    88,514.78/122,305.77 = 70,756.34/x
  3. Step 3: Cross multiply
    88,514.78x = 122,305.77 × 70,756.34
  4. Step 4: Simplify right side
    88,514.78x = 8,653,908,034.55
  5. Step 5: Solve for x
    x = 8,653,908,034.55/88,514.78
  6. Step 6: Final answer
    x = 97,767.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.