Home / 58,176.12-87,264.18-18,736.32

Finding the Fourth Proportional to 58,176.12, 87,264.18 and 18,736.32

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Solution

The fourth proportional to 58,176.12, 87,264.18 and 18,736.32 is: 28,104.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,176.12 : 87,264.18 = 18,736.32 : x
  2. Step 2: Convert to fraction form
    58,176.12/87,264.18 = 18,736.32/x
  3. Step 3: Cross multiply
    58,176.12x = 87,264.18 × 18,736.32
  4. Step 4: Simplify right side
    58,176.12x = 1,635,009,601.02
  5. Step 5: Solve for x
    x = 1,635,009,601.02/58,176.12
  6. Step 6: Final answer
    x = 28,104.48

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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.