Home / 74,643.48-103,006.14-42,384.12

Finding the Fourth Proportional to 74,643.48, 103,006.14 and 42,384.12

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Solution

The fourth proportional to 74,643.48, 103,006.14 and 42,384.12 is: 58,489.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,643.48 : 103,006.14 = 42,384.12 : x
  2. Step 2: Convert to fraction form
    74,643.48/103,006.14 = 42,384.12/x
  3. Step 3: Cross multiply
    74,643.48x = 103,006.14 × 42,384.12
  4. Step 4: Simplify right side
    74,643.48x = 4,365,824,598.50
  5. Step 5: Solve for x
    x = 4,365,824,598.50/74,643.48
  6. Step 6: Final answer
    x = 58,489.03

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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.