Home / 113,072.80-169,603.76-42,946.64

Finding the Fourth Proportional to 113,072.80, 169,603.76 and 42,946.64

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Solution

The fourth proportional to 113,072.80, 169,603.76 and 42,946.64 is: 64,417.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,072.80 : 169,603.76 = 42,946.64 : x
  2. Step 2: Convert to fraction form
    113,072.80/169,603.76 = 42,946.64/x
  3. Step 3: Cross multiply
    113,072.80x = 169,603.76 × 42,946.64
  4. Step 4: Simplify right side
    113,072.80x = 7,283,911,623.37
  5. Step 5: Solve for x
    x = 7,283,911,623.37/113,072.80
  6. Step 6: Final answer
    x = 64,417.89

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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.