Home / 66,265.58-99,417.96-38,205.76

Finding the Fourth Proportional to 66,265.58, 99,417.96 and 38,205.76

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Solution

The fourth proportional to 66,265.58, 99,417.96 and 38,205.76 is: 57,319.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,265.58 : 99,417.96 = 38,205.76 : x
  2. Step 2: Convert to fraction form
    66,265.58/99,417.96 = 38,205.76/x
  3. Step 3: Cross multiply
    66,265.58x = 99,417.96 × 38,205.76
  4. Step 4: Simplify right side
    66,265.58x = 3,798,338,549.86
  5. Step 5: Solve for x
    x = 3,798,338,549.86/66,265.58
  6. Step 6: Final answer
    x = 57,319.93

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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.