Home / 86,902.67-119,935.76-52,931.09

Finding the Fourth Proportional to 86,902.67, 119,935.76 and 52,931.09

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Solution

The fourth proportional to 86,902.67, 119,935.76 and 52,931.09 is: 73,051.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,902.67 : 119,935.76 = 52,931.09 : x
  2. Step 2: Convert to fraction form
    86,902.67/119,935.76 = 52,931.09/x
  3. Step 3: Cross multiply
    86,902.67x = 119,935.76 × 52,931.09
  4. Step 4: Simplify right side
    86,902.67x = 6,348,329,642.44
  5. Step 5: Solve for x
    x = 6,348,329,642.44/86,902.67
  6. Step 6: Final answer
    x = 73,051.04

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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.