Home / 74,368.26-102,621.87-42,530.94

Finding the Fourth Proportional to 74,368.26, 102,621.87 and 42,530.94

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Solution

The fourth proportional to 74,368.26, 102,621.87 and 42,530.94 is: 58,689.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,368.26 : 102,621.87 = 42,530.94 : x
  2. Step 2: Convert to fraction form
    74,368.26/102,621.87 = 42,530.94/x
  3. Step 3: Cross multiply
    74,368.26x = 102,621.87 × 42,530.94
  4. Step 4: Simplify right side
    74,368.26x = 4,364,604,595.66
  5. Step 5: Solve for x
    x = 4,364,604,595.66/74,368.26
  6. Step 6: Final answer
    x = 58,689.08

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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.