Home / 66,749.21-92,124.26-38,068.93

Finding the Fourth Proportional to 66,749.21, 92,124.26 and 38,068.93

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Solution

The fourth proportional to 66,749.21, 92,124.26 and 38,068.93 is: 52,541.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,749.21 : 92,124.26 = 38,068.93 : x
  2. Step 2: Convert to fraction form
    66,749.21/92,124.26 = 38,068.93/x
  3. Step 3: Cross multiply
    66,749.21x = 92,124.26 × 38,068.93
  4. Step 4: Simplify right side
    66,749.21x = 3,507,071,870.10
  5. Step 5: Solve for x
    x = 3,507,071,870.10/66,749.21
  6. Step 6: Final answer
    x = 52,541.03

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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.