Home / 86,509.04-119,315.31-54,666.32

Finding the Fourth Proportional to 86,509.04, 119,315.31 and 54,666.32

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Solution

The fourth proportional to 86,509.04, 119,315.31 and 54,666.32 is: 75,397.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,509.04 : 119,315.31 = 54,666.32 : x
  2. Step 2: Convert to fraction form
    86,509.04/119,315.31 = 54,666.32/x
  3. Step 3: Cross multiply
    86,509.04x = 119,315.31 × 54,666.32
  4. Step 4: Simplify right side
    86,509.04x = 6,522,528,917.36
  5. Step 5: Solve for x
    x = 6,522,528,917.36/86,509.04
  6. Step 6: Final answer
    x = 75,397.08

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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.