Home / 93,043.16-128,402.94-53,306.84

Finding the Fourth Proportional to 93,043.16, 128,402.94 and 53,306.84

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Solution

The fourth proportional to 93,043.16, 128,402.94 and 53,306.84 is: 73,565.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,043.16 : 128,402.94 = 53,306.84 : x
  2. Step 2: Convert to fraction form
    93,043.16/128,402.94 = 53,306.84/x
  3. Step 3: Cross multiply
    93,043.16x = 128,402.94 × 53,306.84
  4. Step 4: Simplify right side
    93,043.16x = 6,844,754,978.11
  5. Step 5: Solve for x
    x = 6,844,754,978.11/93,043.16
  6. Step 6: Final answer
    x = 73,565.38

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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.