Home / 93,455.13-129,014.34-57,664.86

Finding the Fourth Proportional to 93,455.13, 129,014.34 and 57,664.86

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Solution

The fourth proportional to 93,455.13, 129,014.34 and 57,664.86 is: 79,606.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,455.13 : 129,014.34 = 57,664.86 : x
  2. Step 2: Convert to fraction form
    93,455.13/129,014.34 = 57,664.86/x
  3. Step 3: Cross multiply
    93,455.13x = 129,014.34 × 57,664.86
  4. Step 4: Simplify right side
    93,455.13x = 7,439,593,854.09
  5. Step 5: Solve for x
    x = 7,439,593,854.09/93,455.13
  6. Step 6: Final answer
    x = 79,606.05

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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.