Home / 93,036.08-128,419.07-52,776.61

Finding the Fourth Proportional to 93,036.08, 128,419.07 and 52,776.61

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Solution

The fourth proportional to 93,036.08, 128,419.07 and 52,776.61 is: 72,848.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,036.08 : 128,419.07 = 52,776.61 : x
  2. Step 2: Convert to fraction form
    93,036.08/128,419.07 = 52,776.61/x
  3. Step 3: Cross multiply
    93,036.08x = 128,419.07 × 52,776.61
  4. Step 4: Simplify right side
    93,036.08x = 6,777,522,589.02
  5. Step 5: Solve for x
    x = 6,777,522,589.02/93,036.08
  6. Step 6: Final answer
    x = 72,848.32

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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.