Home / 94,881.54-142,345.65-66,856.32

Finding the Fourth Proportional to 94,881.54, 142,345.65 and 66,856.32

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Solution

The fourth proportional to 94,881.54, 142,345.65 and 66,856.32 is: 100,300.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,881.54 : 142,345.65 = 66,856.32 : x
  2. Step 2: Convert to fraction form
    94,881.54/142,345.65 = 66,856.32/x
  3. Step 3: Cross multiply
    94,881.54x = 142,345.65 × 66,856.32
  4. Step 4: Simplify right side
    94,881.54x = 9,516,706,327.01
  5. Step 5: Solve for x
    x = 9,516,706,327.01/94,881.54
  6. Step 6: Final answer
    x = 100,300.93

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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.