Home / 76,574.16-105,670.44-43,042.32

Finding the Fourth Proportional to 76,574.16, 105,670.44 and 43,042.32

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Solution

The fourth proportional to 76,574.16, 105,670.44 and 43,042.32 is: 59,397.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,574.16 : 105,670.44 = 43,042.32 : x
  2. Step 2: Convert to fraction form
    76,574.16/105,670.44 = 43,042.32/x
  3. Step 3: Cross multiply
    76,574.16x = 105,670.44 × 43,042.32
  4. Step 4: Simplify right side
    76,574.16x = 4,548,300,893.02
  5. Step 5: Solve for x
    x = 4,548,300,893.02/76,574.16
  6. Step 6: Final answer
    x = 59,397.33

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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.