Home / 86,219.59-129,314.40-23,875.51

Finding the Fourth Proportional to 86,219.59, 129,314.40 and 23,875.51

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Solution

The fourth proportional to 86,219.59, 129,314.40 and 23,875.51 is: 35,809.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,219.59 : 129,314.40 = 23,875.51 : x
  2. Step 2: Convert to fraction form
    86,219.59/129,314.40 = 23,875.51/x
  3. Step 3: Cross multiply
    86,219.59x = 129,314.40 × 23,875.51
  4. Step 4: Simplify right side
    86,219.59x = 3,087,447,250.34
  5. Step 5: Solve for x
    x = 3,087,447,250.34/86,219.59
  6. Step 6: Final answer
    x = 35,809.12

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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.