Home / 59,007.04-81,459.81-39,987.29

Finding the Fourth Proportional to 59,007.04, 81,459.81 and 39,987.29

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Solution

The fourth proportional to 59,007.04, 81,459.81 and 39,987.29 is: 55,202.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,007.04 : 81,459.81 = 39,987.29 : x
  2. Step 2: Convert to fraction form
    59,007.04/81,459.81 = 39,987.29/x
  3. Step 3: Cross multiply
    59,007.04x = 81,459.81 × 39,987.29
  4. Step 4: Simplify right side
    59,007.04x = 3,257,357,249.46
  5. Step 5: Solve for x
    x = 3,257,357,249.46/59,007.04
  6. Step 6: Final answer
    x = 55,202.86

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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.