Home / 76,533.26-105,617.85-42,077.57

Finding the Fourth Proportional to 76,533.26, 105,617.85 and 42,077.57

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Solution

The fourth proportional to 76,533.26, 105,617.85 and 42,077.57 is: 58,068.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,533.26 : 105,617.85 = 42,077.57 : x
  2. Step 2: Convert to fraction form
    76,533.26/105,617.85 = 42,077.57/x
  3. Step 3: Cross multiply
    76,533.26x = 105,617.85 × 42,077.57
  4. Step 4: Simplify right side
    76,533.26x = 4,444,142,476.62
  5. Step 5: Solve for x
    x = 4,444,142,476.62/76,533.26
  6. Step 6: Final answer
    x = 58,068.12

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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.