Home / 59,159.04-81,577.29-38,990.08

Finding the Fourth Proportional to 59,159.04, 81,577.29 and 38,990.08

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Solution

The fourth proportional to 59,159.04, 81,577.29 and 38,990.08 is: 53,765.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,159.04 : 81,577.29 = 38,990.08 : x
  2. Step 2: Convert to fraction form
    59,159.04/81,577.29 = 38,990.08/x
  3. Step 3: Cross multiply
    59,159.04x = 81,577.29 × 38,990.08
  4. Step 4: Simplify right side
    59,159.04x = 3,180,705,063.28
  5. Step 5: Solve for x
    x = 3,180,705,063.28/59,159.04
  6. Step 6: Final answer
    x = 53,765.33

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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.