Home / 93,390.12-128,869.74-53,096.04

Finding the Fourth Proportional to 93,390.12, 128,869.74 and 53,096.04

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Solution

The fourth proportional to 93,390.12, 128,869.74 and 53,096.04 is: 73,267.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,390.12 : 128,869.74 = 53,096.04 : x
  2. Step 2: Convert to fraction form
    93,390.12/128,869.74 = 53,096.04/x
  3. Step 3: Cross multiply
    93,390.12x = 128,869.74 × 53,096.04
  4. Step 4: Simplify right side
    93,390.12x = 6,842,472,869.83
  5. Step 5: Solve for x
    x = 6,842,472,869.83/93,390.12
  6. Step 6: Final answer
    x = 73,267.63

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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.