Home / 86,407.39-119,275.64-67,550.59

Finding the Fourth Proportional to 86,407.39, 119,275.64 and 67,550.59

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Solution

The fourth proportional to 86,407.39, 119,275.64 and 67,550.59 is: 93,245.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,407.39 : 119,275.64 = 67,550.59 : x
  2. Step 2: Convert to fraction form
    86,407.39/119,275.64 = 67,550.59/x
  3. Step 3: Cross multiply
    86,407.39x = 119,275.64 × 67,550.59
  4. Step 4: Simplify right side
    86,407.39x = 8,057,139,854.63
  5. Step 5: Solve for x
    x = 8,057,139,854.63/86,407.39
  6. Step 6: Final answer
    x = 93,245.96

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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.