Home / 92,975.40-139,352.40-42,985.44

Finding the Fourth Proportional to 92,975.40, 139,352.40 and 42,985.44

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Solution

The fourth proportional to 92,975.40, 139,352.40 and 42,985.44 is: 64,426.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,975.40 : 139,352.40 = 42,985.44 : x
  2. Step 2: Convert to fraction form
    92,975.40/139,352.40 = 42,985.44/x
  3. Step 3: Cross multiply
    92,975.40x = 139,352.40 × 42,985.44
  4. Step 4: Simplify right side
    92,975.40x = 5,990,124,229.06
  5. Step 5: Solve for x
    x = 5,990,124,229.06/92,975.40
  6. Step 6: Final answer
    x = 64,426.98

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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.