Home / 110,859.92-152,949-63,101.60

Finding the Fourth Proportional to 110,859.92, 152,949 and 63,101.60

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Solution

The fourth proportional to 110,859.92, 152,949 and 63,101.60 is: 87,058.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,859.92 : 152,949 = 63,101.60 : x
  2. Step 2: Convert to fraction form
    110,859.92/152,949 = 63,101.60/x
  3. Step 3: Cross multiply
    110,859.92x = 152,949 × 63,101.60
  4. Step 4: Simplify right side
    110,859.92x = 9,651,326,618.40
  5. Step 5: Solve for x
    x = 9,651,326,618.40/110,859.92
  6. Step 6: Final answer
    x = 87,058.76

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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.