Home / 76,349.19-105,361.72-42,362.84

Finding the Fourth Proportional to 76,349.19, 105,361.72 and 42,362.84

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Solution

The fourth proportional to 76,349.19, 105,361.72 and 42,362.84 is: 58,460.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,349.19 : 105,361.72 = 42,362.84 : x
  2. Step 2: Convert to fraction form
    76,349.19/105,361.72 = 42,362.84/x
  3. Step 3: Cross multiply
    76,349.19x = 105,361.72 × 42,362.84
  4. Step 4: Simplify right side
    76,349.19x = 4,463,421,686.48
  5. Step 5: Solve for x
    x = 4,463,421,686.48/76,349.19
  6. Step 6: Final answer
    x = 58,460.63

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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.