Home / 86,310.79-119,176.46-67,501.51

Finding the Fourth Proportional to 86,310.79, 119,176.46 and 67,501.51

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Solution

The fourth proportional to 86,310.79, 119,176.46 and 67,501.51 is: 93,204.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,310.79 : 119,176.46 = 67,501.51 : x
  2. Step 2: Convert to fraction form
    86,310.79/119,176.46 = 67,501.51/x
  3. Step 3: Cross multiply
    86,310.79x = 119,176.46 × 67,501.51
  4. Step 4: Simplify right side
    86,310.79x = 8,044,591,006.45
  5. Step 5: Solve for x
    x = 8,044,591,006.45/86,310.79
  6. Step 6: Final answer
    x = 93,204.93

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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.