Home / 109,788.16-151,507.86-59,487.16

Finding the Fourth Proportional to 109,788.16, 151,507.86 and 59,487.16

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Solution

The fourth proportional to 109,788.16, 151,507.86 and 59,487.16 is: 82,092.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,788.16 : 151,507.86 = 59,487.16 : x
  2. Step 2: Convert to fraction form
    109,788.16/151,507.86 = 59,487.16/x
  3. Step 3: Cross multiply
    109,788.16x = 151,507.86 × 59,487.16
  4. Step 4: Simplify right side
    109,788.16x = 9,012,772,309.08
  5. Step 5: Solve for x
    x = 9,012,772,309.08/109,788.16
  6. Step 6: Final answer
    x = 82,092.39

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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.