Home / 59,254.04-81,771.45-40,139.66

Finding the Fourth Proportional to 59,254.04, 81,771.45 and 40,139.66

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Solution

The fourth proportional to 59,254.04, 81,771.45 and 40,139.66 is: 55,393.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,254.04 : 81,771.45 = 40,139.66 : x
  2. Step 2: Convert to fraction form
    59,254.04/81,771.45 = 40,139.66/x
  3. Step 3: Cross multiply
    59,254.04x = 81,771.45 × 40,139.66
  4. Step 4: Simplify right side
    59,254.04x = 3,282,278,200.71
  5. Step 5: Solve for x
    x = 3,282,278,200.71/59,254.04
  6. Step 6: Final answer
    x = 55,393.32

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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.