Home / 87,811.54-121,197.81-59,526.34

Finding the Fourth Proportional to 87,811.54, 121,197.81 and 59,526.34

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Solution

The fourth proportional to 87,811.54, 121,197.81 and 59,526.34 is: 82,158.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,811.54 : 121,197.81 = 59,526.34 : x
  2. Step 2: Convert to fraction form
    87,811.54/121,197.81 = 59,526.34/x
  3. Step 3: Cross multiply
    87,811.54x = 121,197.81 × 59,526.34
  4. Step 4: Simplify right side
    87,811.54x = 7,214,462,045.32
  5. Step 5: Solve for x
    x = 7,214,462,045.32/87,811.54
  6. Step 6: Final answer
    x = 82,158.47

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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.