Home / 93,007.90-128,353.53-52,720.03

Finding the Fourth Proportional to 93,007.90, 128,353.53 and 52,720.03

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Solution

The fourth proportional to 93,007.90, 128,353.53 and 52,720.03 is: 72,755.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,007.90 : 128,353.53 = 52,720.03 : x
  2. Step 2: Convert to fraction form
    93,007.90/128,353.53 = 52,720.03/x
  3. Step 3: Cross multiply
    93,007.90x = 128,353.53 × 52,720.03
  4. Step 4: Simplify right side
    93,007.90x = 6,766,801,952.21
  5. Step 5: Solve for x
    x = 6,766,801,952.21/93,007.90
  6. Step 6: Final answer
    x = 72,755.13

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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.