Home / 70,721.33-97,595.63-38,455.95

Finding the Fourth Proportional to 70,721.33, 97,595.63 and 38,455.95

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Solution

The fourth proportional to 70,721.33, 97,595.63 and 38,455.95 is: 53,069.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,721.33 : 97,595.63 = 38,455.95 : x
  2. Step 2: Convert to fraction form
    70,721.33/97,595.63 = 38,455.95/x
  3. Step 3: Cross multiply
    70,721.33x = 97,595.63 × 38,455.95
  4. Step 4: Simplify right side
    70,721.33x = 3,753,132,475.22
  5. Step 5: Solve for x
    x = 3,753,132,475.22/70,721.33
  6. Step 6: Final answer
    x = 53,069.32

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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.