Home / 86,381.73-129,574.65-23,201.93

Finding the Fourth Proportional to 86,381.73, 129,574.65 and 23,201.93

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Solution

The fourth proportional to 86,381.73, 129,574.65 and 23,201.93 is: 34,803.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,381.73 : 129,574.65 = 23,201.93 : x
  2. Step 2: Convert to fraction form
    86,381.73/129,574.65 = 23,201.93/x
  3. Step 3: Cross multiply
    86,381.73x = 129,574.65 × 23,201.93
  4. Step 4: Simplify right side
    86,381.73x = 3,006,382,283.01
  5. Step 5: Solve for x
    x = 3,006,382,283.01/86,381.73
  6. Step 6: Final answer
    x = 34,803.45

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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.