Home / 64,377.40-96,533.70-38,090.20

Finding the Fourth Proportional to 64,377.40, 96,533.70 and 38,090.20

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Solution

The fourth proportional to 64,377.40, 96,533.70 and 38,090.20 is: 57,116.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,377.40 : 96,533.70 = 38,090.20 : x
  2. Step 2: Convert to fraction form
    64,377.40/96,533.70 = 38,090.20/x
  3. Step 3: Cross multiply
    64,377.40x = 96,533.70 × 38,090.20
  4. Step 4: Simplify right side
    64,377.40x = 3,676,987,939.74
  5. Step 5: Solve for x
    x = 3,676,987,939.74/64,377.40
  6. Step 6: Final answer
    x = 57,116.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.