Home / 84,436.20-116,507.70-52,615.08

Finding the Fourth Proportional to 84,436.20, 116,507.70 and 52,615.08

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Solution

The fourth proportional to 84,436.20, 116,507.70 and 52,615.08 is: 72,599.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,436.20 : 116,507.70 = 52,615.08 : x
  2. Step 2: Convert to fraction form
    84,436.20/116,507.70 = 52,615.08/x
  3. Step 3: Cross multiply
    84,436.20x = 116,507.70 × 52,615.08
  4. Step 4: Simplify right side
    84,436.20x = 6,130,061,956.12
  5. Step 5: Solve for x
    x = 6,130,061,956.12/84,436.20
  6. Step 6: Final answer
    x = 72,599.93

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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.