Home / 76,473.28-105,536.08-42,484.32

Finding the Fourth Proportional to 76,473.28, 105,536.08 and 42,484.32

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Solution

The fourth proportional to 76,473.28, 105,536.08 and 42,484.32 is: 58,630.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,473.28 : 105,536.08 = 42,484.32 : x
  2. Step 2: Convert to fraction form
    76,473.28/105,536.08 = 42,484.32/x
  3. Step 3: Cross multiply
    76,473.28x = 105,536.08 × 42,484.32
  4. Step 4: Simplify right side
    76,473.28x = 4,483,628,594.27
  5. Step 5: Solve for x
    x = 4,483,628,594.27/76,473.28
  6. Step 6: Final answer
    x = 58,630.00

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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.