Home / 94,929.12-130,995.60-52,487.28

Finding the Fourth Proportional to 94,929.12, 130,995.60 and 52,487.28

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Solution

The fourth proportional to 94,929.12, 130,995.60 and 52,487.28 is: 72,428.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,929.12 : 130,995.60 = 52,487.28 : x
  2. Step 2: Convert to fraction form
    94,929.12/130,995.60 = 52,487.28/x
  3. Step 3: Cross multiply
    94,929.12x = 130,995.60 × 52,487.28
  4. Step 4: Simplify right side
    94,929.12x = 6,875,602,735.97
  5. Step 5: Solve for x
    x = 6,875,602,735.97/94,929.12
  6. Step 6: Final answer
    x = 72,428.81

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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.