Home / 84,619.17-116,779.35-48,810.69

Finding the Fourth Proportional to 84,619.17, 116,779.35 and 48,810.69

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Solution

The fourth proportional to 84,619.17, 116,779.35 and 48,810.69 is: 67,361.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,619.17 : 116,779.35 = 48,810.69 : x
  2. Step 2: Convert to fraction form
    84,619.17/116,779.35 = 48,810.69/x
  3. Step 3: Cross multiply
    84,619.17x = 116,779.35 × 48,810.69
  4. Step 4: Simplify right side
    84,619.17x = 5,700,080,651.25
  5. Step 5: Solve for x
    x = 5,700,080,651.25/84,619.17
  6. Step 6: Final answer
    x = 67,361.58

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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.