Home / 65,125.40-97,688.10-57,608.60

Finding the Fourth Proportional to 65,125.40, 97,688.10 and 57,608.60

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Solution

The fourth proportional to 65,125.40, 97,688.10 and 57,608.60 is: 86,412.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,125.40 : 97,688.10 = 57,608.60 : x
  2. Step 2: Convert to fraction form
    65,125.40/97,688.10 = 57,608.60/x
  3. Step 3: Cross multiply
    65,125.40x = 97,688.10 × 57,608.60
  4. Step 4: Simplify right side
    65,125.40x = 5,627,674,677.66
  5. Step 5: Solve for x
    x = 5,627,674,677.66/65,125.40
  6. Step 6: Final answer
    x = 86,412.90

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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.