Home / 93,141.18-128,542.41-52,304.40

Finding the Fourth Proportional to 93,141.18, 128,542.41 and 52,304.40

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Solution

The fourth proportional to 93,141.18, 128,542.41 and 52,304.40 is: 72,184.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,141.18 : 128,542.41 = 52,304.40 : x
  2. Step 2: Convert to fraction form
    93,141.18/128,542.41 = 52,304.40/x
  3. Step 3: Cross multiply
    93,141.18x = 128,542.41 × 52,304.40
  4. Step 4: Simplify right side
    93,141.18x = 6,723,333,629.60
  5. Step 5: Solve for x
    x = 6,723,333,629.60/93,141.18
  6. Step 6: Final answer
    x = 72,184.33

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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.