Home / 94,731.40-130,728.62-52,289.92

Finding the Fourth Proportional to 94,731.40, 130,728.62 and 52,289.92

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Solution

The fourth proportional to 94,731.40, 130,728.62 and 52,289.92 is: 72,159.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,731.40 : 130,728.62 = 52,289.92 : x
  2. Step 2: Convert to fraction form
    94,731.40/130,728.62 = 52,289.92/x
  3. Step 3: Cross multiply
    94,731.40x = 130,728.62 × 52,289.92
  4. Step 4: Simplify right side
    94,731.40x = 6,835,789,081.51
  5. Step 5: Solve for x
    x = 6,835,789,081.51/94,731.40
  6. Step 6: Final answer
    x = 72,159.70

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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.