Home / 93,127.32-128,515.70-50,686.16

Finding the Fourth Proportional to 93,127.32, 128,515.70 and 50,686.16

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Solution

The fourth proportional to 93,127.32, 128,515.70 and 50,686.16 is: 69,946.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,127.32 : 128,515.70 = 50,686.16 : x
  2. Step 2: Convert to fraction form
    93,127.32/128,515.70 = 50,686.16/x
  3. Step 3: Cross multiply
    93,127.32x = 128,515.70 × 50,686.16
  4. Step 4: Simplify right side
    93,127.32x = 6,513,966,436.70
  5. Step 5: Solve for x
    x = 6,513,966,436.70/93,127.32
  6. Step 6: Final answer
    x = 69,946.89

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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.