Home / 58,986.58-81,400.35-32,128.78

Finding the Fourth Proportional to 58,986.58, 81,400.35 and 32,128.78

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Solution

The fourth proportional to 58,986.58, 81,400.35 and 32,128.78 is: 44,337.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,986.58 : 81,400.35 = 32,128.78 : x
  2. Step 2: Convert to fraction form
    58,986.58/81,400.35 = 32,128.78/x
  3. Step 3: Cross multiply
    58,986.58x = 81,400.35 × 32,128.78
  4. Step 4: Simplify right side
    58,986.58x = 2,615,293,937.07
  5. Step 5: Solve for x
    x = 2,615,293,937.07/58,986.58
  6. Step 6: Final answer
    x = 44,337.10

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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.