Home / 74,237.88-102,454.02-42,416.76

Finding the Fourth Proportional to 74,237.88, 102,454.02 and 42,416.76

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Solution

The fourth proportional to 74,237.88, 102,454.02 and 42,416.76 is: 58,538.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,237.88 : 102,454.02 = 42,416.76 : x
  2. Step 2: Convert to fraction form
    74,237.88/102,454.02 = 42,416.76/x
  3. Step 3: Cross multiply
    74,237.88x = 102,454.02 × 42,416.76
  4. Step 4: Simplify right side
    74,237.88x = 4,345,767,577.38
  5. Step 5: Solve for x
    x = 4,345,767,577.38/74,237.88
  6. Step 6: Final answer
    x = 58,538.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.