Home / 93,226.02-128,596.86-65,971.38

Finding the Fourth Proportional to 93,226.02, 128,596.86 and 65,971.38

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Solution

The fourth proportional to 93,226.02, 128,596.86 and 65,971.38 is: 91,001.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,226.02 : 128,596.86 = 65,971.38 : x
  2. Step 2: Convert to fraction form
    93,226.02/128,596.86 = 65,971.38/x
  3. Step 3: Cross multiply
    93,226.02x = 128,596.86 × 65,971.38
  4. Step 4: Simplify right side
    93,226.02x = 8,483,712,317.87
  5. Step 5: Solve for x
    x = 8,483,712,317.87/93,226.02
  6. Step 6: Final answer
    x = 91,001.55

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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.