Home / 93,509.08-129,009.30-55,260.52

Finding the Fourth Proportional to 93,509.08, 129,009.30 and 55,260.52

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Solution

The fourth proportional to 93,509.08, 129,009.30 and 55,260.52 is: 76,239.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,509.08 : 129,009.30 = 55,260.52 : x
  2. Step 2: Convert to fraction form
    93,509.08/129,009.30 = 55,260.52/x
  3. Step 3: Cross multiply
    93,509.08x = 129,009.30 × 55,260.52
  4. Step 4: Simplify right side
    93,509.08x = 7,129,121,002.84
  5. Step 5: Solve for x
    x = 7,129,121,002.84/93,509.08
  6. Step 6: Final answer
    x = 76,239.88

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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.