Home / 61,829.60-92,938.80-60,663.20

Finding the Fourth Proportional to 61,829.60, 92,938.80 and 60,663.20

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Solution

The fourth proportional to 61,829.60, 92,938.80 and 60,663.20 is: 91,185.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,829.60 : 92,938.80 = 60,663.20 : x
  2. Step 2: Convert to fraction form
    61,829.60/92,938.80 = 60,663.20/x
  3. Step 3: Cross multiply
    61,829.60x = 92,938.80 × 60,663.20
  4. Step 4: Simplify right side
    61,829.60x = 5,637,965,012.16
  5. Step 5: Solve for x
    x = 5,637,965,012.16/61,829.60
  6. Step 6: Final answer
    x = 91,185.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.