Home / 109,873.06-151,573.68-64,536.55

Finding the Fourth Proportional to 109,873.06, 151,573.68 and 64,536.55

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Solution

The fourth proportional to 109,873.06, 151,573.68 and 64,536.55 is: 89,030.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,873.06 : 151,573.68 = 64,536.55 : x
  2. Step 2: Convert to fraction form
    109,873.06/151,573.68 = 64,536.55/x
  3. Step 3: Cross multiply
    109,873.06x = 151,573.68 × 64,536.55
  4. Step 4: Simplify right side
    109,873.06x = 9,782,041,999.07
  5. Step 5: Solve for x
    x = 9,782,041,999.07/109,873.06
  6. Step 6: Final answer
    x = 89,030.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.