Home / 84,339.57-126,530.11-59,428.25

Finding the Fourth Proportional to 84,339.57, 126,530.11 and 59,428.25

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Solution

The fourth proportional to 84,339.57, 126,530.11 and 59,428.25 is: 89,157.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,339.57 : 126,530.11 = 59,428.25 : x
  2. Step 2: Convert to fraction form
    84,339.57/126,530.11 = 59,428.25/x
  3. Step 3: Cross multiply
    84,339.57x = 126,530.11 × 59,428.25
  4. Step 4: Simplify right side
    84,339.57x = 7,519,463,009.61
  5. Step 5: Solve for x
    x = 7,519,463,009.61/84,339.57
  6. Step 6: Final answer
    x = 89,157.00

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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.