Home / 91,536.84-137,535.30-58,271.76

Finding the Fourth Proportional to 91,536.84, 137,535.30 and 58,271.76

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Solution

The fourth proportional to 91,536.84, 137,535.30 and 58,271.76 is: 87,554.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,536.84 : 137,535.30 = 58,271.76 : x
  2. Step 2: Convert to fraction form
    91,536.84/137,535.30 = 58,271.76/x
  3. Step 3: Cross multiply
    91,536.84x = 137,535.30 × 58,271.76
  4. Step 4: Simplify right side
    91,536.84x = 8,014,423,993.13
  5. Step 5: Solve for x
    x = 8,014,423,993.13/91,536.84
  6. Step 6: Final answer
    x = 87,554.08

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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.