Home / 70,070.08-96,698.46-38,240.32

Finding the Fourth Proportional to 70,070.08, 96,698.46 and 38,240.32

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Solution

The fourth proportional to 70,070.08, 96,698.46 and 38,240.32 is: 52,772.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,070.08 : 96,698.46 = 38,240.32 : x
  2. Step 2: Convert to fraction form
    70,070.08/96,698.46 = 38,240.32/x
  3. Step 3: Cross multiply
    70,070.08x = 96,698.46 × 38,240.32
  4. Step 4: Simplify right side
    70,070.08x = 3,697,780,053.91
  5. Step 5: Solve for x
    x = 3,697,780,053.91/70,070.08
  6. Step 6: Final answer
    x = 52,772.60

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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.