Home / 93,225.24-128,693.79-54,972.18

Finding the Fourth Proportional to 93,225.24, 128,693.79 and 54,972.18

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Solution

The fourth proportional to 93,225.24, 128,693.79 and 54,972.18 is: 75,886.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,225.24 : 128,693.79 = 54,972.18 : x
  2. Step 2: Convert to fraction form
    93,225.24/128,693.79 = 54,972.18/x
  3. Step 3: Cross multiply
    93,225.24x = 128,693.79 × 54,972.18
  4. Step 4: Simplify right side
    93,225.24x = 7,074,578,188.76
  5. Step 5: Solve for x
    x = 7,074,578,188.76/93,225.24
  6. Step 6: Final answer
    x = 75,886.94

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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.