Home / 76,533.87-105,608.75-42,536.91

Finding the Fourth Proportional to 76,533.87, 105,608.75 and 42,536.91

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Solution

The fourth proportional to 76,533.87, 105,608.75 and 42,536.91 is: 58,696.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,533.87 : 105,608.75 = 42,536.91 : x
  2. Step 2: Convert to fraction form
    76,533.87/105,608.75 = 42,536.91/x
  3. Step 3: Cross multiply
    76,533.87x = 105,608.75 × 42,536.91
  4. Step 4: Simplify right side
    76,533.87x = 4,492,269,681.28
  5. Step 5: Solve for x
    x = 4,492,269,681.28/76,533.87
  6. Step 6: Final answer
    x = 58,696.49

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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.