Home / 84,959.43-127,430.93-25,795.62

Finding the Fourth Proportional to 84,959.43, 127,430.93 and 25,795.62

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Solution

The fourth proportional to 84,959.43, 127,430.93 and 25,795.62 is: 38,690.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,959.43 : 127,430.93 = 25,795.62 : x
  2. Step 2: Convert to fraction form
    84,959.43/127,430.93 = 25,795.62/x
  3. Step 3: Cross multiply
    84,959.43x = 127,430.93 × 25,795.62
  4. Step 4: Simplify right side
    84,959.43x = 3,287,159,717.55
  5. Step 5: Solve for x
    x = 3,287,159,717.55/84,959.43
  6. Step 6: Final answer
    x = 38,690.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.