Home / 70,437.21-97,205.79-38,605.83

Finding the Fourth Proportional to 70,437.21, 97,205.79 and 38,605.83

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Solution

The fourth proportional to 70,437.21, 97,205.79 and 38,605.83 is: 53,277.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,437.21 : 97,205.79 = 38,605.83 : x
  2. Step 2: Convert to fraction form
    70,437.21/97,205.79 = 38,605.83/x
  3. Step 3: Cross multiply
    70,437.21x = 97,205.79 × 38,605.83
  4. Step 4: Simplify right side
    70,437.21x = 3,752,710,203.76
  5. Step 5: Solve for x
    x = 3,752,710,203.76/70,437.21
  6. Step 6: Final answer
    x = 53,277.38

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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.