Home / 86,574.10-129,902.27-59,961.04

Finding the Fourth Proportional to 86,574.10, 129,902.27 and 59,961.04

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Solution

The fourth proportional to 86,574.10, 129,902.27 and 59,961.04 is: 89,970.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,574.10 : 129,902.27 = 59,961.04 : x
  2. Step 2: Convert to fraction form
    86,574.10/129,902.27 = 59,961.04/x
  3. Step 3: Cross multiply
    86,574.10x = 129,902.27 × 59,961.04
  4. Step 4: Simplify right side
    86,574.10x = 7,789,075,207.56
  5. Step 5: Solve for x
    x = 7,789,075,207.56/86,574.10
  6. Step 6: Final answer
    x = 89,970.04

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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.