Home / 64,873.28-89,526.12-38,009.36

Finding the Fourth Proportional to 64,873.28, 89,526.12 and 38,009.36

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Solution

The fourth proportional to 64,873.28, 89,526.12 and 38,009.36 is: 52,453.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,873.28 : 89,526.12 = 38,009.36 : x
  2. Step 2: Convert to fraction form
    64,873.28/89,526.12 = 38,009.36/x
  3. Step 3: Cross multiply
    64,873.28x = 89,526.12 × 38,009.36
  4. Step 4: Simplify right side
    64,873.28x = 3,402,830,524.48
  5. Step 5: Solve for x
    x = 3,402,830,524.48/64,873.28
  6. Step 6: Final answer
    x = 52,453.50

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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.