Home / 86,813.42-119,807.18-48,570.69

Finding the Fourth Proportional to 86,813.42, 119,807.18 and 48,570.69

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Solution

The fourth proportional to 86,813.42, 119,807.18 and 48,570.69 is: 67,030.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,813.42 : 119,807.18 = 48,570.69 : x
  2. Step 2: Convert to fraction form
    86,813.42/119,807.18 = 48,570.69/x
  3. Step 3: Cross multiply
    86,813.42x = 119,807.18 × 48,570.69
  4. Step 4: Simplify right side
    86,813.42x = 5,819,117,520.98
  5. Step 5: Solve for x
    x = 5,819,117,520.98/86,813.42
  6. Step 6: Final answer
    x = 67,030.16

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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.