Home / 86,636.66-119,523-52,639.65

Finding the Fourth Proportional to 86,636.66, 119,523 and 52,639.65

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Solution

The fourth proportional to 86,636.66, 119,523 and 52,639.65 is: 72,621.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,636.66 : 119,523 = 52,639.65 : x
  2. Step 2: Convert to fraction form
    86,636.66/119,523 = 52,639.65/x
  3. Step 3: Cross multiply
    86,636.66x = 119,523 × 52,639.65
  4. Step 4: Simplify right side
    86,636.66x = 6,291,648,886.95
  5. Step 5: Solve for x
    x = 6,291,648,886.95/86,636.66
  6. Step 6: Final answer
    x = 72,621.10

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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.