Home / 70,071.19-96,698.54-38,240.77

Finding the Fourth Proportional to 70,071.19, 96,698.54 and 38,240.77

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Solution

The fourth proportional to 70,071.19, 96,698.54 and 38,240.77 is: 52,772.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,071.19 : 96,698.54 = 38,240.77 : x
  2. Step 2: Convert to fraction form
    70,071.19/96,698.54 = 38,240.77/x
  3. Step 3: Cross multiply
    70,071.19x = 96,698.54 × 38,240.77
  4. Step 4: Simplify right side
    70,071.19x = 3,697,826,194.53
  5. Step 5: Solve for x
    x = 3,697,826,194.53/70,071.19
  6. Step 6: Final answer
    x = 52,772.42

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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.