Home / 86,880.09-130,330.40-27,695.01

Finding the Fourth Proportional to 86,880.09, 130,330.40 and 27,695.01

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Solution

The fourth proportional to 86,880.09, 130,330.40 and 27,695.01 is: 41,545.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,880.09 : 130,330.40 = 27,695.01 : x
  2. Step 2: Convert to fraction form
    86,880.09/130,330.40 = 27,695.01/x
  3. Step 3: Cross multiply
    86,880.09x = 130,330.40 × 27,695.01
  4. Step 4: Simplify right side
    86,880.09x = 3,609,501,592.83
  5. Step 5: Solve for x
    x = 3,609,501,592.83/86,880.09
  6. Step 6: Final answer
    x = 41,545.79

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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.