Home / 74,705.04-103,090.86-42,437.70

Finding the Fourth Proportional to 74,705.04, 103,090.86 and 42,437.70

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Solution

The fourth proportional to 74,705.04, 103,090.86 and 42,437.70 is: 58,562.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,705.04 : 103,090.86 = 42,437.70 : x
  2. Step 2: Convert to fraction form
    74,705.04/103,090.86 = 42,437.70/x
  3. Step 3: Cross multiply
    74,705.04x = 103,090.86 × 42,437.70
  4. Step 4: Simplify right side
    74,705.04x = 4,374,938,989.42
  5. Step 5: Solve for x
    x = 4,374,938,989.42/74,705.04
  6. Step 6: Final answer
    x = 58,562.84

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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.