Home / 86,368.30-129,453.96-39,522.76

Finding the Fourth Proportional to 86,368.30, 129,453.96 and 39,522.76

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Solution

The fourth proportional to 86,368.30, 129,453.96 and 39,522.76 is: 59,239.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,368.30 : 129,453.96 = 39,522.76 : x
  2. Step 2: Convert to fraction form
    86,368.30/129,453.96 = 39,522.76/x
  3. Step 3: Cross multiply
    86,368.30x = 129,453.96 × 39,522.76
  4. Step 4: Simplify right side
    86,368.30x = 5,116,377,792.13
  5. Step 5: Solve for x
    x = 5,116,377,792.13/86,368.30
  6. Step 6: Final answer
    x = 59,239.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.