Home / 77,020.02-115,572.75-37,577.46

Finding the Fourth Proportional to 77,020.02, 115,572.75 and 37,577.46

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Solution

The fourth proportional to 77,020.02, 115,572.75 and 37,577.46 is: 56,387.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,020.02 : 115,572.75 = 37,577.46 : x
  2. Step 2: Convert to fraction form
    77,020.02/115,572.75 = 37,577.46/x
  3. Step 3: Cross multiply
    77,020.02x = 115,572.75 × 37,577.46
  4. Step 4: Simplify right side
    77,020.02x = 4,342,930,390.22
  5. Step 5: Solve for x
    x = 4,342,930,390.22/77,020.02
  6. Step 6: Final answer
    x = 56,387.03

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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.