Home / 94,032.30-129,730.52-61,784.28

Finding the Fourth Proportional to 94,032.30, 129,730.52 and 61,784.28

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Solution

The fourth proportional to 94,032.30, 129,730.52 and 61,784.28 is: 85,239.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,032.30 : 129,730.52 = 61,784.28 : x
  2. Step 2: Convert to fraction form
    94,032.30/129,730.52 = 61,784.28/x
  3. Step 3: Cross multiply
    94,032.30x = 129,730.52 × 61,784.28
  4. Step 4: Simplify right side
    94,032.30x = 8,015,306,440.20
  5. Step 5: Solve for x
    x = 8,015,306,440.20/94,032.30
  6. Step 6: Final answer
    x = 85,239.93

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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.