Home / 91,913.88-137,677.08-42,035.98

Finding the Fourth Proportional to 91,913.88, 137,677.08 and 42,035.98

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Solution

The fourth proportional to 91,913.88, 137,677.08 and 42,035.98 is: 62,965.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,913.88 : 137,677.08 = 42,035.98 : x
  2. Step 2: Convert to fraction form
    91,913.88/137,677.08 = 42,035.98/x
  3. Step 3: Cross multiply
    91,913.88x = 137,677.08 × 42,035.98
  4. Step 4: Simplify right side
    91,913.88x = 5,787,390,981.34
  5. Step 5: Solve for x
    x = 5,787,390,981.34/91,913.88
  6. Step 6: Final answer
    x = 62,965.36

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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.