Home / 76,356.03-105,367.75-42,364.16

Finding the Fourth Proportional to 76,356.03, 105,367.75 and 42,364.16

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Solution

The fourth proportional to 76,356.03, 105,367.75 and 42,364.16 is: 58,460.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,356.03 : 105,367.75 = 42,364.16 : x
  2. Step 2: Convert to fraction form
    76,356.03/105,367.75 = 42,364.16/x
  3. Step 3: Cross multiply
    76,356.03x = 105,367.75 × 42,364.16
  4. Step 4: Simplify right side
    76,356.03x = 4,463,816,219.84
  5. Step 5: Solve for x
    x = 4,463,816,219.84/76,356.03
  6. Step 6: Final answer
    x = 58,460.56

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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.