Home / 86,913.77-119,931.10-48,668.00

Finding the Fourth Proportional to 86,913.77, 119,931.10 and 48,668.00

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Solution

The fourth proportional to 86,913.77, 119,931.10 and 48,668.00 is: 67,156.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,913.77 : 119,931.10 = 48,668.00 : x
  2. Step 2: Convert to fraction form
    86,913.77/119,931.10 = 48,668.00/x
  3. Step 3: Cross multiply
    86,913.77x = 119,931.10 × 48,668.00
  4. Step 4: Simplify right side
    86,913.77x = 5,836,806,952.96
  5. Step 5: Solve for x
    x = 5,836,806,952.96/86,913.77
  6. Step 6: Final answer
    x = 67,156.30

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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.