Home / 93,011.08-139,538.49-28,966

Finding the Fourth Proportional to 93,011.08, 139,538.49 and 28,966

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Solution

The fourth proportional to 93,011.08, 139,538.49 and 28,966 is: 43,455.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,011.08 : 139,538.49 = 28,966 : x
  2. Step 2: Convert to fraction form
    93,011.08/139,538.49 = 28,966/x
  3. Step 3: Cross multiply
    93,011.08x = 139,538.49 × 28,966
  4. Step 4: Simplify right side
    93,011.08x = 4,041,871,901.34
  5. Step 5: Solve for x
    x = 4,041,871,901.34/93,011.08
  6. Step 6: Final answer
    x = 43,455.81

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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.