Home / 93,549.60-129,100.32-51,111.84

Finding the Fourth Proportional to 93,549.60, 129,100.32 and 51,111.84

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Solution

The fourth proportional to 93,549.60, 129,100.32 and 51,111.84 is: 70,535.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,549.60 : 129,100.32 = 51,111.84 : x
  2. Step 2: Convert to fraction form
    93,549.60/129,100.32 = 51,111.84/x
  3. Step 3: Cross multiply
    93,549.60x = 129,100.32 × 51,111.84
  4. Step 4: Simplify right side
    93,549.60x = 6,598,554,899.79
  5. Step 5: Solve for x
    x = 6,598,554,899.79/93,549.60
  6. Step 6: Final answer
    x = 70,535.36

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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.