Home / 70,151.49-96,807.47-38,320.53

Finding the Fourth Proportional to 70,151.49, 96,807.47 and 38,320.53

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Solution

The fourth proportional to 70,151.49, 96,807.47 and 38,320.53 is: 52,881.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,151.49 : 96,807.47 = 38,320.53 : x
  2. Step 2: Convert to fraction form
    70,151.49/96,807.47 = 38,320.53/x
  3. Step 3: Cross multiply
    70,151.49x = 96,807.47 × 38,320.53
  4. Step 4: Simplify right side
    70,151.49x = 3,709,713,366.76
  5. Step 5: Solve for x
    x = 3,709,713,366.76/70,151.49
  6. Step 6: Final answer
    x = 52,881.46

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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.