Home / 93,679.30-129,330.93-61,940.26

Finding the Fourth Proportional to 93,679.30, 129,330.93 and 61,940.26

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Solution

The fourth proportional to 93,679.30, 129,330.93 and 61,940.26 is: 85,512.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,679.30 : 129,330.93 = 61,940.26 : x
  2. Step 2: Convert to fraction form
    93,679.30/129,330.93 = 61,940.26/x
  3. Step 3: Cross multiply
    93,679.30x = 129,330.93 × 61,940.26
  4. Step 4: Simplify right side
    93,679.30x = 8,010,791,475.77
  5. Step 5: Solve for x
    x = 8,010,791,475.77/93,679.30
  6. Step 6: Final answer
    x = 85,512.93

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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.