Home / 74,329.17-102,577.35-42,498.06

Finding the Fourth Proportional to 74,329.17, 102,577.35 and 42,498.06

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Solution

The fourth proportional to 74,329.17, 102,577.35 and 42,498.06 is: 58,649.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,329.17 : 102,577.35 = 42,498.06 : x
  2. Step 2: Convert to fraction form
    74,329.17/102,577.35 = 42,498.06/x
  3. Step 3: Cross multiply
    74,329.17x = 102,577.35 × 42,498.06
  4. Step 4: Simplify right side
    74,329.17x = 4,359,338,374.94
  5. Step 5: Solve for x
    x = 4,359,338,374.94/74,329.17
  6. Step 6: Final answer
    x = 58,649.09

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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.