Home / 98,514.86-135,950.66-56,073.39

Finding the Fourth Proportional to 98,514.86, 135,950.66 and 56,073.39

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Solution

The fourth proportional to 98,514.86, 135,950.66 and 56,073.39 is: 77,381.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,514.86 : 135,950.66 = 56,073.39 : x
  2. Step 2: Convert to fraction form
    98,514.86/135,950.66 = 56,073.39/x
  3. Step 3: Cross multiply
    98,514.86x = 135,950.66 × 56,073.39
  4. Step 4: Simplify right side
    98,514.86x = 7,623,214,378.94
  5. Step 5: Solve for x
    x = 7,623,214,378.94/98,514.86
  6. Step 6: Final answer
    x = 77,381.37

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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.