Home / 93,385.14-128,877.59-53,102.66

Finding the Fourth Proportional to 93,385.14, 128,877.59 and 53,102.66

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Solution

The fourth proportional to 93,385.14, 128,877.59 and 53,102.66 is: 73,285.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,385.14 : 128,877.59 = 53,102.66 : x
  2. Step 2: Convert to fraction form
    93,385.14/128,877.59 = 53,102.66/x
  3. Step 3: Cross multiply
    93,385.14x = 128,877.59 × 53,102.66
  4. Step 4: Simplify right side
    93,385.14x = 6,843,742,843.39
  5. Step 5: Solve for x
    x = 6,843,742,843.39/93,385.14
  6. Step 6: Final answer
    x = 73,285.14

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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.