Home / 93,411.54-128,941.17-55,171.23

Finding the Fourth Proportional to 93,411.54, 128,941.17 and 55,171.23

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Solution

The fourth proportional to 93,411.54, 128,941.17 and 55,171.23 is: 76,155.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,411.54 : 128,941.17 = 55,171.23 : x
  2. Step 2: Convert to fraction form
    93,411.54/128,941.17 = 55,171.23/x
  3. Step 3: Cross multiply
    93,411.54x = 128,941.17 × 55,171.23
  4. Step 4: Simplify right side
    93,411.54x = 7,113,842,946.54
  5. Step 5: Solve for x
    x = 7,113,842,946.54/93,411.54
  6. Step 6: Final answer
    x = 76,155.93

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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.