Home / 86,430.87-119,275.92-48,189.33

Finding the Fourth Proportional to 86,430.87, 119,275.92 and 48,189.33

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Solution

The fourth proportional to 86,430.87, 119,275.92 and 48,189.33 is: 66,502.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,430.87 : 119,275.92 = 48,189.33 : x
  2. Step 2: Convert to fraction form
    86,430.87/119,275.92 = 48,189.33/x
  3. Step 3: Cross multiply
    86,430.87x = 119,275.92 × 48,189.33
  4. Step 4: Simplify right side
    86,430.87x = 5,747,826,669.93
  5. Step 5: Solve for x
    x = 5,747,826,669.93/86,430.87
  6. Step 6: Final answer
    x = 66,502.01

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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.