Home / 64,870.52-97,309.60-18,123.40

Finding the Fourth Proportional to 64,870.52, 97,309.60 and 18,123.40

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Solution

The fourth proportional to 64,870.52, 97,309.60 and 18,123.40 is: 27,186.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,870.52 : 97,309.60 = 18,123.40 : x
  2. Step 2: Convert to fraction form
    64,870.52/97,309.60 = 18,123.40/x
  3. Step 3: Cross multiply
    64,870.52x = 97,309.60 × 18,123.40
  4. Step 4: Simplify right side
    64,870.52x = 1,763,580,804.64
  5. Step 5: Solve for x
    x = 1,763,580,804.64/64,870.52
  6. Step 6: Final answer
    x = 27,186.17

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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.