Home / 93,166.08-128,562.71-52,880.66

Finding the Fourth Proportional to 93,166.08, 128,562.71 and 52,880.66

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Solution

The fourth proportional to 93,166.08, 128,562.71 and 52,880.66 is: 72,971.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,166.08 : 128,562.71 = 52,880.66 : x
  2. Step 2: Convert to fraction form
    93,166.08/128,562.71 = 52,880.66/x
  3. Step 3: Cross multiply
    93,166.08x = 128,562.71 × 52,880.66
  4. Step 4: Simplify right side
    93,166.08x = 6,798,481,013.19
  5. Step 5: Solve for x
    x = 6,798,481,013.19/93,166.08
  6. Step 6: Final answer
    x = 72,971.63

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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.