Home / 86,341.28-119,162.40-48,622.88

Finding the Fourth Proportional to 86,341.28, 119,162.40 and 48,622.88

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Solution

The fourth proportional to 86,341.28, 119,162.40 and 48,622.88 is: 67,106.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,341.28 : 119,162.40 = 48,622.88 : x
  2. Step 2: Convert to fraction form
    86,341.28/119,162.40 = 48,622.88/x
  3. Step 3: Cross multiply
    86,341.28x = 119,162.40 × 48,622.88
  4. Step 4: Simplify right side
    86,341.28x = 5,794,019,075.71
  5. Step 5: Solve for x
    x = 5,794,019,075.71/86,341.28
  6. Step 6: Final answer
    x = 67,106.01

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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.