Home / 86,700.10-119,632.24-52,690.43

Finding the Fourth Proportional to 86,700.10, 119,632.24 and 52,690.43

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Solution

The fourth proportional to 86,700.10, 119,632.24 and 52,690.43 is: 72,704.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,700.10 : 119,632.24 = 52,690.43 : x
  2. Step 2: Convert to fraction form
    86,700.10/119,632.24 = 52,690.43/x
  3. Step 3: Cross multiply
    86,700.10x = 119,632.24 × 52,690.43
  4. Step 4: Simplify right side
    86,700.10x = 6,303,474,167.46
  5. Step 5: Solve for x
    x = 6,303,474,167.46/86,700.10
  6. Step 6: Final answer
    x = 72,704.35

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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.