Home / 112,882.39-169,332.80-56,693.60

Finding the Fourth Proportional to 112,882.39, 169,332.80 and 56,693.60

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Solution

The fourth proportional to 112,882.39, 169,332.80 and 56,693.60 is: 85,045.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,882.39 : 169,332.80 = 56,693.60 : x
  2. Step 2: Convert to fraction form
    112,882.39/169,332.80 = 56,693.60/x
  3. Step 3: Cross multiply
    112,882.39x = 169,332.80 × 56,693.60
  4. Step 4: Simplify right side
    112,882.39x = 9,600,086,030.08
  5. Step 5: Solve for x
    x = 9,600,086,030.08/112,882.39
  6. Step 6: Final answer
    x = 85,045.03

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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.