Home / 64,740.04-89,368.90-43,531.60

Finding the Fourth Proportional to 64,740.04, 89,368.90 and 43,531.60

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Solution

The fourth proportional to 64,740.04, 89,368.90 and 43,531.60 is: 60,092.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,740.04 : 89,368.90 = 43,531.60 : x
  2. Step 2: Convert to fraction form
    64,740.04/89,368.90 = 43,531.60/x
  3. Step 3: Cross multiply
    64,740.04x = 89,368.90 × 43,531.60
  4. Step 4: Simplify right side
    64,740.04x = 3,890,371,207.24
  5. Step 5: Solve for x
    x = 3,890,371,207.24/64,740.04
  6. Step 6: Final answer
    x = 60,092.20

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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.