Home / 67,580.08-101,386.64-47,628.48

Finding the Fourth Proportional to 67,580.08, 101,386.64 and 47,628.48

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Solution

The fourth proportional to 67,580.08, 101,386.64 and 47,628.48 is: 71,454.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,580.08 : 101,386.64 = 47,628.48 : x
  2. Step 2: Convert to fraction form
    67,580.08/101,386.64 = 47,628.48/x
  3. Step 3: Cross multiply
    67,580.08x = 101,386.64 × 47,628.48
  4. Step 4: Simplify right side
    67,580.08x = 4,828,891,555.51
  5. Step 5: Solve for x
    x = 4,828,891,555.51/67,580.08
  6. Step 6: Final answer
    x = 71,454.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.