Home / 81,592.56-112,598.64-45,296.46

Finding the Fourth Proportional to 81,592.56, 112,598.64 and 45,296.46

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Solution

The fourth proportional to 81,592.56, 112,598.64 and 45,296.46 is: 62,509.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,592.56 : 112,598.64 = 45,296.46 : x
  2. Step 2: Convert to fraction form
    81,592.56/112,598.64 = 45,296.46/x
  3. Step 3: Cross multiply
    81,592.56x = 112,598.64 × 45,296.46
  4. Step 4: Simplify right side
    81,592.56x = 5,100,319,792.81
  5. Step 5: Solve for x
    x = 5,100,319,792.81/81,592.56
  6. Step 6: Final answer
    x = 62,509.62

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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.