Home / 89,825.40-134,592.30-56,485.80

Finding the Fourth Proportional to 89,825.40, 134,592.30 and 56,485.80

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Solution

The fourth proportional to 89,825.40, 134,592.30 and 56,485.80 is: 84,637.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,825.40 : 134,592.30 = 56,485.80 : x
  2. Step 2: Convert to fraction form
    89,825.40/134,592.30 = 56,485.80/x
  3. Step 3: Cross multiply
    89,825.40x = 134,592.30 × 56,485.80
  4. Step 4: Simplify right side
    89,825.40x = 7,602,553,739.34
  5. Step 5: Solve for x
    x = 7,602,553,739.34/89,825.40
  6. Step 6: Final answer
    x = 84,637.02

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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.