Home / 86,510.10-119,384.88-50,219.58

Finding the Fourth Proportional to 86,510.10, 119,384.88 and 50,219.58

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Solution

The fourth proportional to 86,510.10, 119,384.88 and 50,219.58 is: 69,303.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,510.10 : 119,384.88 = 50,219.58 : x
  2. Step 2: Convert to fraction form
    86,510.10/119,384.88 = 50,219.58/x
  3. Step 3: Cross multiply
    86,510.10x = 119,384.88 × 50,219.58
  4. Step 4: Simplify right side
    86,510.10x = 5,995,458,531.95
  5. Step 5: Solve for x
    x = 5,995,458,531.95/86,510.10
  6. Step 6: Final answer
    x = 69,303.57

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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.