Home / 64,304.10-96,456.15-43,308.90

Finding the Fourth Proportional to 64,304.10, 96,456.15 and 43,308.90

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Solution

The fourth proportional to 64,304.10, 96,456.15 and 43,308.90 is: 64,963.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,304.10 : 96,456.15 = 43,308.90 : x
  2. Step 2: Convert to fraction form
    64,304.10/96,456.15 = 43,308.90/x
  3. Step 3: Cross multiply
    64,304.10x = 96,456.15 × 43,308.90
  4. Step 4: Simplify right side
    64,304.10x = 4,177,409,754.74
  5. Step 5: Solve for x
    x = 4,177,409,754.74/64,304.10
  6. Step 6: Final answer
    x = 64,963.35

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1.5x scale

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.