Home / 97,970.64-135,227.40-57,707.60

Finding the Fourth Proportional to 97,970.64, 135,227.40 and 57,707.60

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Solution

The fourth proportional to 97,970.64, 135,227.40 and 57,707.60 is: 79,652.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,970.64 : 135,227.40 = 57,707.60 : x
  2. Step 2: Convert to fraction form
    97,970.64/135,227.40 = 57,707.60/x
  3. Step 3: Cross multiply
    97,970.64x = 135,227.40 × 57,707.60
  4. Step 4: Simplify right side
    97,970.64x = 7,803,648,708.24
  5. Step 5: Solve for x
    x = 7,803,648,708.24/97,970.64
  6. Step 6: Final answer
    x = 79,652.93

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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.