Home / 86,824.58-119,782.65-56,599.30

Finding the Fourth Proportional to 86,824.58, 119,782.65 and 56,599.30

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Solution

The fourth proportional to 86,824.58, 119,782.65 and 56,599.30 is: 78,084.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,824.58 : 119,782.65 = 56,599.30 : x
  2. Step 2: Convert to fraction form
    86,824.58/119,782.65 = 56,599.30/x
  3. Step 3: Cross multiply
    86,824.58x = 119,782.65 × 56,599.30
  4. Step 4: Simplify right side
    86,824.58x = 6,779,613,842.69
  5. Step 5: Solve for x
    x = 6,779,613,842.69/86,824.58
  6. Step 6: Final answer
    x = 78,084.04

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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.