Home / 101,389.32-152,031.82-59,278.68

Finding the Fourth Proportional to 101,389.32, 152,031.82 and 59,278.68

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Solution

The fourth proportional to 101,389.32, 152,031.82 and 59,278.68 is: 88,887.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,389.32 : 152,031.82 = 59,278.68 : x
  2. Step 2: Convert to fraction form
    101,389.32/152,031.82 = 59,278.68/x
  3. Step 3: Cross multiply
    101,389.32x = 152,031.82 × 59,278.68
  4. Step 4: Simplify right side
    101,389.32x = 9,012,245,607.60
  5. Step 5: Solve for x
    x = 9,012,245,607.60/101,389.32
  6. Step 6: Final answer
    x = 88,887.52

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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.