Home / 99,032.91-136,682.88-58,768.86

Finding the Fourth Proportional to 99,032.91, 136,682.88 and 58,768.86

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Solution

The fourth proportional to 99,032.91, 136,682.88 and 58,768.86 is: 81,111.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,032.91 : 136,682.88 = 58,768.86 : x
  2. Step 2: Convert to fraction form
    99,032.91/136,682.88 = 58,768.86/x
  3. Step 3: Cross multiply
    99,032.91x = 136,682.88 × 58,768.86
  4. Step 4: Simplify right side
    99,032.91x = 8,032,697,039.12
  5. Step 5: Solve for x
    x = 8,032,697,039.12/99,032.91
  6. Step 6: Final answer
    x = 81,111.39

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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.