Home / 70,807.22-97,710.24-38,970.04

Finding the Fourth Proportional to 70,807.22, 97,710.24 and 38,970.04

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Solution

The fourth proportional to 70,807.22, 97,710.24 and 38,970.04 is: 53,776.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,807.22 : 97,710.24 = 38,970.04 : x
  2. Step 2: Convert to fraction form
    70,807.22/97,710.24 = 38,970.04/x
  3. Step 3: Cross multiply
    70,807.22x = 97,710.24 × 38,970.04
  4. Step 4: Simplify right side
    70,807.22x = 3,807,771,961.21
  5. Step 5: Solve for x
    x = 3,807,771,961.21/70,807.22
  6. Step 6: Final answer
    x = 53,776.61

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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.