Home / 86,500.09-129,738.98-27,341.74

Finding the Fourth Proportional to 86,500.09, 129,738.98 and 27,341.74

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Solution

The fourth proportional to 86,500.09, 129,738.98 and 27,341.74 is: 41,009.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,500.09 : 129,738.98 = 27,341.74 : x
  2. Step 2: Convert to fraction form
    86,500.09/129,738.98 = 27,341.74/x
  3. Step 3: Cross multiply
    86,500.09x = 129,738.98 × 27,341.74
  4. Step 4: Simplify right side
    86,500.09x = 3,547,289,322.32
  5. Step 5: Solve for x
    x = 3,547,289,322.32/86,500.09
  6. Step 6: Final answer
    x = 41,009.08

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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.