Home / 86,717.10-119,688.88-52,718.38

Finding the Fourth Proportional to 86,717.10, 119,688.88 and 52,718.38

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Solution

The fourth proportional to 86,717.10, 119,688.88 and 52,718.38 is: 72,763.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,717.10 : 119,688.88 = 52,718.38 : x
  2. Step 2: Convert to fraction form
    86,717.10/119,688.88 = 52,718.38/x
  3. Step 3: Cross multiply
    86,717.10x = 119,688.88 × 52,718.38
  4. Step 4: Simplify right side
    86,717.10x = 6,309,803,857.61
  5. Step 5: Solve for x
    x = 6,309,803,857.61/86,717.10
  6. Step 6: Final answer
    x = 72,763.09

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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.