Home / 86,999.16-130,482.29-30,837.00

Finding the Fourth Proportional to 86,999.16, 130,482.29 and 30,837.00

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Solution

The fourth proportional to 86,999.16, 130,482.29 and 30,837.00 is: 46,249.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,999.16 : 130,482.29 = 30,837.00 : x
  2. Step 2: Convert to fraction form
    86,999.16/130,482.29 = 30,837.00/x
  3. Step 3: Cross multiply
    86,999.16x = 130,482.29 × 30,837.00
  4. Step 4: Simplify right side
    86,999.16x = 4,023,682,943.13
  5. Step 5: Solve for x
    x = 4,023,682,943.13/86,999.16
  6. Step 6: Final answer
    x = 46,249.67

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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.