Home / 77,266.71-115,595.10-58,599.45

Finding the Fourth Proportional to 77,266.71, 115,595.10 and 58,599.45

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Solution

The fourth proportional to 77,266.71, 115,595.10 and 58,599.45 is: 87,667.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,266.71 : 115,595.10 = 58,599.45 : x
  2. Step 2: Convert to fraction form
    77,266.71/115,595.10 = 58,599.45/x
  3. Step 3: Cross multiply
    77,266.71x = 115,595.10 × 58,599.45
  4. Step 4: Simplify right side
    77,266.71x = 6,773,809,282.70
  5. Step 5: Solve for x
    x = 6,773,809,282.70/77,266.71
  6. Step 6: Final answer
    x = 87,667.89

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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.