Home / 86,561.47-129,840.83-44,417.22

Finding the Fourth Proportional to 86,561.47, 129,840.83 and 44,417.22

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Solution

The fourth proportional to 86,561.47, 129,840.83 and 44,417.22 is: 66,625.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,561.47 : 129,840.83 = 44,417.22 : x
  2. Step 2: Convert to fraction form
    86,561.47/129,840.83 = 44,417.22/x
  3. Step 3: Cross multiply
    86,561.47x = 129,840.83 × 44,417.22
  4. Step 4: Simplify right side
    86,561.47x = 5,767,168,711.09
  5. Step 5: Solve for x
    x = 5,767,168,711.09/86,561.47
  6. Step 6: Final answer
    x = 66,625.12

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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.