Home / 86,243.58-129,356.27-23,070.08

Finding the Fourth Proportional to 86,243.58, 129,356.27 and 23,070.08

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Solution

The fourth proportional to 86,243.58, 129,356.27 and 23,070.08 is: 34,602.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,243.58 : 129,356.27 = 23,070.08 : x
  2. Step 2: Convert to fraction form
    86,243.58/129,356.27 = 23,070.08/x
  3. Step 3: Cross multiply
    86,243.58x = 129,356.27 × 23,070.08
  4. Step 4: Simplify right side
    86,243.58x = 2,984,258,908.49
  5. Step 5: Solve for x
    x = 2,984,258,908.49/86,243.58
  6. Step 6: Final answer
    x = 34,602.68

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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.