Home / 86,742.48-119,656.80-59,899.08

Finding the Fourth Proportional to 86,742.48, 119,656.80 and 59,899.08

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Solution

The fourth proportional to 86,742.48, 119,656.80 and 59,899.08 is: 82,627.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,742.48 : 119,656.80 = 59,899.08 : x
  2. Step 2: Convert to fraction form
    86,742.48/119,656.80 = 59,899.08/x
  3. Step 3: Cross multiply
    86,742.48x = 119,656.80 × 59,899.08
  4. Step 4: Simplify right side
    86,742.48x = 7,167,332,235.74
  5. Step 5: Solve for x
    x = 7,167,332,235.74/86,742.48
  6. Step 6: Final answer
    x = 82,627.71

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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.