Home / 58,051.76-87,090.12-30,342.32

Finding the Fourth Proportional to 58,051.76, 87,090.12 and 30,342.32

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Solution

The fourth proportional to 58,051.76, 87,090.12 and 30,342.32 is: 45,520.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,051.76 : 87,090.12 = 30,342.32 : x
  2. Step 2: Convert to fraction form
    58,051.76/87,090.12 = 30,342.32/x
  3. Step 3: Cross multiply
    58,051.76x = 87,090.12 × 30,342.32
  4. Step 4: Simplify right side
    58,051.76x = 2,642,516,289.88
  5. Step 5: Solve for x
    x = 2,642,516,289.88/58,051.76
  6. Step 6: Final answer
    x = 45,520.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.