Home / 86,700.62-119,632.91-52,690.92

Finding the Fourth Proportional to 86,700.62, 119,632.91 and 52,690.92

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Solution

The fourth proportional to 86,700.62, 119,632.91 and 52,690.92 is: 72,705.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,700.62 : 119,632.91 = 52,690.92 : x
  2. Step 2: Convert to fraction form
    86,700.62/119,632.91 = 52,690.92/x
  3. Step 3: Cross multiply
    86,700.62x = 119,632.91 × 52,690.92
  4. Step 4: Simplify right side
    86,700.62x = 6,303,567,826.72
  5. Step 5: Solve for x
    x = 6,303,567,826.72/86,700.62
  6. Step 6: Final answer
    x = 72,705.00

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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.