Home / 64,031.18-88,359.42-35,738.68

Finding the Fourth Proportional to 64,031.18, 88,359.42 and 35,738.68

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Solution

The fourth proportional to 64,031.18, 88,359.42 and 35,738.68 is: 49,317.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,031.18 : 88,359.42 = 35,738.68 : x
  2. Step 2: Convert to fraction form
    64,031.18/88,359.42 = 35,738.68/x
  3. Step 3: Cross multiply
    64,031.18x = 88,359.42 × 35,738.68
  4. Step 4: Simplify right side
    64,031.18x = 3,157,849,036.37
  5. Step 5: Solve for x
    x = 3,157,849,036.37/64,031.18
  6. Step 6: Final answer
    x = 49,317.36

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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.