Home / 70,151.05-96,810.53-38,320.47

Finding the Fourth Proportional to 70,151.05, 96,810.53 and 38,320.47

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Solution

The fourth proportional to 70,151.05, 96,810.53 and 38,320.47 is: 52,883.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,151.05 : 96,810.53 = 38,320.47 : x
  2. Step 2: Convert to fraction form
    70,151.05/96,810.53 = 38,320.47/x
  3. Step 3: Cross multiply
    70,151.05x = 96,810.53 × 38,320.47
  4. Step 4: Simplify right side
    70,151.05x = 3,709,824,818.95
  5. Step 5: Solve for x
    x = 3,709,824,818.95/70,151.05
  6. Step 6: Final answer
    x = 52,883.38

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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.