Home / 72,662.04-100,236.96-63,088.92

Finding the Fourth Proportional to 72,662.04, 100,236.96 and 63,088.92

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Solution

The fourth proportional to 72,662.04, 100,236.96 and 63,088.92 is: 87,030.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,662.04 : 100,236.96 = 63,088.92 : x
  2. Step 2: Convert to fraction form
    72,662.04/100,236.96 = 63,088.92/x
  3. Step 3: Cross multiply
    72,662.04x = 100,236.96 × 63,088.92
  4. Step 4: Simplify right side
    72,662.04x = 6,323,841,550.48
  5. Step 5: Solve for x
    x = 6,323,841,550.48/72,662.04
  6. Step 6: Final answer
    x = 87,030.88

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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.