Home / 64,903.36-89,567.28-38,061.76

Finding the Fourth Proportional to 64,903.36, 89,567.28 and 38,061.76

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Solution

The fourth proportional to 64,903.36, 89,567.28 and 38,061.76 is: 52,525.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,903.36 : 89,567.28 = 38,061.76 : x
  2. Step 2: Convert to fraction form
    64,903.36/89,567.28 = 38,061.76/x
  3. Step 3: Cross multiply
    64,903.36x = 89,567.28 × 38,061.76
  4. Step 4: Simplify right side
    64,903.36x = 3,409,088,315.21
  5. Step 5: Solve for x
    x = 3,409,088,315.21/64,903.36
  6. Step 6: Final answer
    x = 52,525.61

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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.