Home / 93,581.29-129,127.25-53,295.80

Finding the Fourth Proportional to 93,581.29, 129,127.25 and 53,295.80

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Solution

The fourth proportional to 93,581.29, 129,127.25 and 53,295.80 is: 73,539.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,581.29 : 129,127.25 = 53,295.80 : x
  2. Step 2: Convert to fraction form
    93,581.29/129,127.25 = 53,295.80/x
  3. Step 3: Cross multiply
    93,581.29x = 129,127.25 × 53,295.80
  4. Step 4: Simplify right side
    93,581.29x = 6,881,939,824.07
  5. Step 5: Solve for x
    x = 6,881,939,824.07/93,581.29
  6. Step 6: Final answer
    x = 73,539.70

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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.