Home / 58,539.12-80,783.37-31,681.05

Finding the Fourth Proportional to 58,539.12, 80,783.37 and 31,681.05

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Solution

The fourth proportional to 58,539.12, 80,783.37 and 31,681.05 is: 43,719.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,539.12 : 80,783.37 = 31,681.05 : x
  2. Step 2: Convert to fraction form
    58,539.12/80,783.37 = 31,681.05/x
  3. Step 3: Cross multiply
    58,539.12x = 80,783.37 × 31,681.05
  4. Step 4: Simplify right side
    58,539.12x = 2,559,301,984.14
  5. Step 5: Solve for x
    x = 2,559,301,984.14/58,539.12
  6. Step 6: Final answer
    x = 43,719.52

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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.