Home / 74,359.27-102,615.81-42,528.19

Finding the Fourth Proportional to 74,359.27, 102,615.81 and 42,528.19

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Solution

The fourth proportional to 74,359.27, 102,615.81 and 42,528.19 is: 58,688.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,359.27 : 102,615.81 = 42,528.19 : x
  2. Step 2: Convert to fraction form
    74,359.27/102,615.81 = 42,528.19/x
  3. Step 3: Cross multiply
    74,359.27x = 102,615.81 × 42,528.19
  4. Step 4: Simplify right side
    74,359.27x = 4,364,064,680.29
  5. Step 5: Solve for x
    x = 4,364,064,680.29/74,359.27
  6. Step 6: Final answer
    x = 58,688.92

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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.