Home / 52,783.16-79,064.58-31,656.20

Finding the Fourth Proportional to 52,783.16, 79,064.58 and 31,656.20

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Solution

The fourth proportional to 52,783.16, 79,064.58 and 31,656.20 is: 47,418.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,783.16 : 79,064.58 = 31,656.20 : x
  2. Step 2: Convert to fraction form
    52,783.16/79,064.58 = 31,656.20/x
  3. Step 3: Cross multiply
    52,783.16x = 79,064.58 × 31,656.20
  4. Step 4: Simplify right side
    52,783.16x = 2,502,884,157.40
  5. Step 5: Solve for x
    x = 2,502,884,157.40/52,783.16
  6. Step 6: Final answer
    x = 47,418.23

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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.