Home / 57,577.02-86,365.80-20,136.93

Finding the Fourth Proportional to 57,577.02, 86,365.80 and 20,136.93

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Solution

The fourth proportional to 57,577.02, 86,365.80 and 20,136.93 is: 30,205.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,577.02 : 86,365.80 = 20,136.93 : x
  2. Step 2: Convert to fraction form
    57,577.02/86,365.80 = 20,136.93/x
  3. Step 3: Cross multiply
    57,577.02x = 86,365.80 × 20,136.93
  4. Step 4: Simplify right side
    57,577.02x = 1,739,142,068.99
  5. Step 5: Solve for x
    x = 1,739,142,068.99/57,577.02
  6. Step 6: Final answer
    x = 30,205.49

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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.