Home / 93,136.02-128,538.66-52,306.86

Finding the Fourth Proportional to 93,136.02, 128,538.66 and 52,306.86

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Solution

The fourth proportional to 93,136.02, 128,538.66 and 52,306.86 is: 72,189.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,136.02 : 128,538.66 = 52,306.86 : x
  2. Step 2: Convert to fraction form
    93,136.02/128,538.66 = 52,306.86/x
  3. Step 3: Cross multiply
    93,136.02x = 128,538.66 × 52,306.86
  4. Step 4: Simplify right side
    93,136.02x = 6,723,453,693.21
  5. Step 5: Solve for x
    x = 6,723,453,693.21/93,136.02
  6. Step 6: Final answer
    x = 72,189.62

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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.