Home / 70,086.95-96,718.45-38,256.38

Finding the Fourth Proportional to 70,086.95, 96,718.45 and 38,256.38

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Solution

The fourth proportional to 70,086.95, 96,718.45 and 38,256.38 is: 52,792.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,086.95 : 96,718.45 = 38,256.38 : x
  2. Step 2: Convert to fraction form
    70,086.95/96,718.45 = 38,256.38/x
  3. Step 3: Cross multiply
    70,086.95x = 96,718.45 × 38,256.38
  4. Step 4: Simplify right side
    70,086.95x = 3,700,097,776.21
  5. Step 5: Solve for x
    x = 3,700,097,776.21/70,086.95
  6. Step 6: Final answer
    x = 52,792.96

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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.