Home / 65,666.04-90,656.46-43,374.84

Finding the Fourth Proportional to 65,666.04, 90,656.46 and 43,374.84

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Solution

The fourth proportional to 65,666.04, 90,656.46 and 43,374.84 is: 59,881.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,666.04 : 90,656.46 = 43,374.84 : x
  2. Step 2: Convert to fraction form
    65,666.04/90,656.46 = 43,374.84/x
  3. Step 3: Cross multiply
    65,666.04x = 90,656.46 × 43,374.84
  4. Step 4: Simplify right side
    65,666.04x = 3,932,209,447.47
  5. Step 5: Solve for x
    x = 3,932,209,447.47/65,666.04
  6. Step 6: Final answer
    x = 59,881.93

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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.