Home / 93,306.39-128,762.82-53,020.17

Finding the Fourth Proportional to 93,306.39, 128,762.82 and 53,020.17

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Solution

The fourth proportional to 93,306.39, 128,762.82 and 53,020.17 is: 73,167.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,306.39 : 128,762.82 = 53,020.17 : x
  2. Step 2: Convert to fraction form
    93,306.39/128,762.82 = 53,020.17/x
  3. Step 3: Cross multiply
    93,306.39x = 128,762.82 × 53,020.17
  4. Step 4: Simplify right side
    93,306.39x = 6,827,026,606.08
  5. Step 5: Solve for x
    x = 6,827,026,606.08/93,306.39
  6. Step 6: Final answer
    x = 73,167.84

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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.