Home / 58,538.36-80,783.17-31,680.85

Finding the Fourth Proportional to 58,538.36, 80,783.17 and 31,680.85

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Solution

The fourth proportional to 58,538.36, 80,783.17 and 31,680.85 is: 43,719.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,538.36 : 80,783.17 = 31,680.85 : x
  2. Step 2: Convert to fraction form
    58,538.36/80,783.17 = 31,680.85/x
  3. Step 3: Cross multiply
    58,538.36x = 80,783.17 × 31,680.85
  4. Step 4: Simplify right side
    58,538.36x = 2,559,279,210.13
  5. Step 5: Solve for x
    x = 2,559,279,210.13/58,538.36
  6. Step 6: Final answer
    x = 43,719.70

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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.