Home / 97,927.19-135,139.69-55,488.59

Finding the Fourth Proportional to 97,927.19, 135,139.69 and 55,488.59

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Solution

The fourth proportional to 97,927.19, 135,139.69 and 55,488.59 is: 76,574.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,927.19 : 135,139.69 = 55,488.59 : x
  2. Step 2: Convert to fraction form
    97,927.19/135,139.69 = 55,488.59/x
  3. Step 3: Cross multiply
    97,927.19x = 135,139.69 × 55,488.59
  4. Step 4: Simplify right side
    97,927.19x = 7,498,710,851.14
  5. Step 5: Solve for x
    x = 7,498,710,851.14/97,927.19
  6. Step 6: Final answer
    x = 76,574.35

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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.