Home / 93,138.04-128,533.80-52,853.50

Finding the Fourth Proportional to 93,138.04, 128,533.80 and 52,853.50

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Solution

The fourth proportional to 93,138.04, 128,533.80 and 52,853.50 is: 72,939.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,138.04 : 128,533.80 = 52,853.50 : x
  2. Step 2: Convert to fraction form
    93,138.04/128,533.80 = 52,853.50/x
  3. Step 3: Cross multiply
    93,138.04x = 128,533.80 × 52,853.50
  4. Step 4: Simplify right side
    93,138.04x = 6,793,461,198.30
  5. Step 5: Solve for x
    x = 6,793,461,198.30/93,138.04
  6. Step 6: Final answer
    x = 72,939.71

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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.