Home / 76,088.92-105,003.26-45,868.20

Finding the Fourth Proportional to 76,088.92, 105,003.26 and 45,868.20

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Solution

The fourth proportional to 76,088.92, 105,003.26 and 45,868.20 is: 63,298.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,088.92 : 105,003.26 = 45,868.20 : x
  2. Step 2: Convert to fraction form
    76,088.92/105,003.26 = 45,868.20/x
  3. Step 3: Cross multiply
    76,088.92x = 105,003.26 × 45,868.20
  4. Step 4: Simplify right side
    76,088.92x = 4,816,310,530.33
  5. Step 5: Solve for x
    x = 4,816,310,530.33/76,088.92
  6. Step 6: Final answer
    x = 63,298.45

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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.