Home / 86,779.04-119,776.96-49,075.12

Finding the Fourth Proportional to 86,779.04, 119,776.96 and 49,075.12

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Solution

The fourth proportional to 86,779.04, 119,776.96 and 49,075.12 is: 67,736.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,779.04 : 119,776.96 = 49,075.12 : x
  2. Step 2: Convert to fraction form
    86,779.04/119,776.96 = 49,075.12/x
  3. Step 3: Cross multiply
    86,779.04x = 119,776.96 × 49,075.12
  4. Step 4: Simplify right side
    86,779.04x = 5,878,068,685.24
  5. Step 5: Solve for x
    x = 5,878,068,685.24/86,779.04
  6. Step 6: Final answer
    x = 67,736.04

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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.