Home / 93,623.63-129,172.32-55,387.58

Finding the Fourth Proportional to 93,623.63, 129,172.32 and 55,387.58

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Solution

The fourth proportional to 93,623.63, 129,172.32 and 55,387.58 is: 76,418.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,623.63 : 129,172.32 = 55,387.58 : x
  2. Step 2: Convert to fraction form
    93,623.63/129,172.32 = 55,387.58/x
  3. Step 3: Cross multiply
    93,623.63x = 129,172.32 × 55,387.58
  4. Step 4: Simplify right side
    93,623.63x = 7,154,541,561.92
  5. Step 5: Solve for x
    x = 7,154,541,561.92/93,623.63
  6. Step 6: Final answer
    x = 76,418.12

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1.5x scale

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.