Home / 105,147.36-145,094.64-59,813.28

Finding the Fourth Proportional to 105,147.36, 145,094.64 and 59,813.28

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Solution

The fourth proportional to 105,147.36, 145,094.64 and 59,813.28 is: 82,537.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,147.36 : 145,094.64 = 59,813.28 : x
  2. Step 2: Convert to fraction form
    105,147.36/145,094.64 = 59,813.28/x
  3. Step 3: Cross multiply
    105,147.36x = 145,094.64 × 59,813.28
  4. Step 4: Simplify right side
    105,147.36x = 8,678,586,328.82
  5. Step 5: Solve for x
    x = 8,678,586,328.82/105,147.36
  6. Step 6: Final answer
    x = 82,537.37

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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.