Home / 53,157.22-79,319.38-47,572.18

Finding the Fourth Proportional to 53,157.22, 79,319.38 and 47,572.18

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Solution

The fourth proportional to 53,157.22, 79,319.38 and 47,572.18 is: 70,985.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,157.22 : 79,319.38 = 47,572.18 : x
  2. Step 2: Convert to fraction form
    53,157.22/79,319.38 = 47,572.18/x
  3. Step 3: Cross multiply
    53,157.22x = 79,319.38 × 47,572.18
  4. Step 4: Simplify right side
    53,157.22x = 3,773,395,822.85
  5. Step 5: Solve for x
    x = 3,773,395,822.85/53,157.22
  6. Step 6: Final answer
    x = 70,985.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.