Home / 86,526.06-129,679.74-46,445.64

Finding the Fourth Proportional to 86,526.06, 129,679.74 and 46,445.64

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Solution

The fourth proportional to 86,526.06, 129,679.74 and 46,445.64 is: 69,609.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,526.06 : 129,679.74 = 46,445.64 : x
  2. Step 2: Convert to fraction form
    86,526.06/129,679.74 = 46,445.64/x
  3. Step 3: Cross multiply
    86,526.06x = 129,679.74 × 46,445.64
  4. Step 4: Simplify right side
    86,526.06x = 6,023,058,519.33
  5. Step 5: Solve for x
    x = 6,023,058,519.33/86,526.06
  6. Step 6: Final answer
    x = 69,609.76

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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.