Home / 70,085.07-96,713.73-38,253.42

Finding the Fourth Proportional to 70,085.07, 96,713.73 and 38,253.42

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Solution

The fourth proportional to 70,085.07, 96,713.73 and 38,253.42 is: 52,787.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,085.07 : 96,713.73 = 38,253.42 : x
  2. Step 2: Convert to fraction form
    70,085.07/96,713.73 = 38,253.42/x
  3. Step 3: Cross multiply
    70,085.07x = 96,713.73 × 38,253.42
  4. Step 4: Simplify right side
    70,085.07x = 3,699,630,933.46
  5. Step 5: Solve for x
    x = 3,699,630,933.46/70,085.07
  6. Step 6: Final answer
    x = 52,787.72

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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.