Home / 76,260.08-105,238.84-42,726.32

Finding the Fourth Proportional to 76,260.08, 105,238.84 and 42,726.32

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Solution

The fourth proportional to 76,260.08, 105,238.84 and 42,726.32 is: 58,962.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,260.08 : 105,238.84 = 42,726.32 : x
  2. Step 2: Convert to fraction form
    76,260.08/105,238.84 = 42,726.32/x
  3. Step 3: Cross multiply
    76,260.08x = 105,238.84 × 42,726.32
  4. Step 4: Simplify right side
    76,260.08x = 4,496,468,354.27
  5. Step 5: Solve for x
    x = 4,496,468,354.27/76,260.08
  6. Step 6: Final answer
    x = 58,962.28

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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.