Home / 93,039.95-139,496.75-47,335.31

Finding the Fourth Proportional to 93,039.95, 139,496.75 and 47,335.31

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Solution

The fourth proportional to 93,039.95, 139,496.75 and 47,335.31 is: 70,970.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,039.95 : 139,496.75 = 47,335.31 : x
  2. Step 2: Convert to fraction form
    93,039.95/139,496.75 = 47,335.31/x
  3. Step 3: Cross multiply
    93,039.95x = 139,496.75 × 47,335.31
  4. Step 4: Simplify right side
    93,039.95x = 6,603,122,017.31
  5. Step 5: Solve for x
    x = 6,603,122,017.31/93,039.95
  6. Step 6: Final answer
    x = 70,970.83

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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.