Home / 93,306.27-128,661.02-63,039.03

Finding the Fourth Proportional to 93,306.27, 128,661.02 and 63,039.03

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Solution

The fourth proportional to 93,306.27, 128,661.02 and 63,039.03 is: 86,925.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,306.27 : 128,661.02 = 63,039.03 : x
  2. Step 2: Convert to fraction form
    93,306.27/128,661.02 = 63,039.03/x
  3. Step 3: Cross multiply
    93,306.27x = 128,661.02 × 63,039.03
  4. Step 4: Simplify right side
    93,306.27x = 8,110,665,584.42
  5. Step 5: Solve for x
    x = 8,110,665,584.42/93,306.27
  6. Step 6: Final answer
    x = 86,925.19

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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.