Home / 93,384.47-128,870.61-53,097.23

Finding the Fourth Proportional to 93,384.47, 128,870.61 and 53,097.23

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Solution

The fourth proportional to 93,384.47, 128,870.61 and 53,097.23 is: 73,274.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,384.47 : 128,870.61 = 53,097.23 : x
  2. Step 2: Convert to fraction form
    93,384.47/128,870.61 = 53,097.23/x
  3. Step 3: Cross multiply
    93,384.47x = 128,870.61 × 53,097.23
  4. Step 4: Simplify right side
    93,384.47x = 6,842,672,419.41
  5. Step 5: Solve for x
    x = 6,842,672,419.41/93,384.47
  6. Step 6: Final answer
    x = 73,274.20

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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.