Home / 93,349.02-128,821.40-50,907.56

Finding the Fourth Proportional to 93,349.02, 128,821.40 and 50,907.56

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Solution

The fourth proportional to 93,349.02, 128,821.40 and 50,907.56 is: 70,252.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,349.02 : 128,821.40 = 50,907.56 : x
  2. Step 2: Convert to fraction form
    93,349.02/128,821.40 = 50,907.56/x
  3. Step 3: Cross multiply
    93,349.02x = 128,821.40 × 50,907.56
  4. Step 4: Simplify right side
    93,349.02x = 6,557,983,149.78
  5. Step 5: Solve for x
    x = 6,557,983,149.78/93,349.02
  6. Step 6: Final answer
    x = 70,252.30

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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.