Home / 93,127.44-128,515.50-50,686.32

Finding the Fourth Proportional to 93,127.44, 128,515.50 and 50,686.32

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Solution

The fourth proportional to 93,127.44, 128,515.50 and 50,686.32 is: 69,946.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,127.44 : 128,515.50 = 50,686.32 : x
  2. Step 2: Convert to fraction form
    93,127.44/128,515.50 = 50,686.32/x
  3. Step 3: Cross multiply
    93,127.44x = 128,515.50 × 50,686.32
  4. Step 4: Simplify right side
    93,127.44x = 6,513,977,757.96
  5. Step 5: Solve for x
    x = 6,513,977,757.96/93,127.44
  6. Step 6: Final answer
    x = 69,946.92

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1.5x scale

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.