Home / 93,839.04-129,454.56-54,072

Finding the Fourth Proportional to 93,839.04, 129,454.56 and 54,072

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Solution

The fourth proportional to 93,839.04, 129,454.56 and 54,072 is: 74,594.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,839.04 : 129,454.56 = 54,072 : x
  2. Step 2: Convert to fraction form
    93,839.04/129,454.56 = 54,072/x
  3. Step 3: Cross multiply
    93,839.04x = 129,454.56 × 54,072
  4. Step 4: Simplify right side
    93,839.04x = 6,999,866,968.32
  5. Step 5: Solve for x
    x = 6,999,866,968.32/93,839.04
  6. Step 6: Final answer
    x = 74,594.40

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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.