Home / 69,573.48-96,011.40-39,358.18

Finding the Fourth Proportional to 69,573.48, 96,011.40 and 39,358.18

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Solution

The fourth proportional to 69,573.48, 96,011.40 and 39,358.18 is: 54,314.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,573.48 : 96,011.40 = 39,358.18 : x
  2. Step 2: Convert to fraction form
    69,573.48/96,011.40 = 39,358.18/x
  3. Step 3: Cross multiply
    69,573.48x = 96,011.40 × 39,358.18
  4. Step 4: Simplify right side
    69,573.48x = 3,778,833,963.25
  5. Step 5: Solve for x
    x = 3,778,833,963.25/69,573.48
  6. Step 6: Final answer
    x = 54,314.29

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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.