Home / 93,127.07-128,515.35-50,685.90

Finding the Fourth Proportional to 93,127.07, 128,515.35 and 50,685.90

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Solution

The fourth proportional to 93,127.07, 128,515.35 and 50,685.90 is: 69,946.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,127.07 : 128,515.35 = 50,685.90 : x
  2. Step 2: Convert to fraction form
    93,127.07/128,515.35 = 50,685.90/x
  3. Step 3: Cross multiply
    93,127.07x = 128,515.35 × 50,685.90
  4. Step 4: Simplify right side
    93,127.07x = 6,513,916,178.57
  5. Step 5: Solve for x
    x = 6,513,916,178.57/93,127.07
  6. Step 6: Final answer
    x = 69,946.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.