Home / 94,111.12-129,873.60-51,672.40

Finding the Fourth Proportional to 94,111.12, 129,873.60 and 51,672.40

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Solution

The fourth proportional to 94,111.12, 129,873.60 and 51,672.40 is: 71,308.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,111.12 : 129,873.60 = 51,672.40 : x
  2. Step 2: Convert to fraction form
    94,111.12/129,873.60 = 51,672.40/x
  3. Step 3: Cross multiply
    94,111.12x = 129,873.60 × 51,672.40
  4. Step 4: Simplify right side
    94,111.12x = 6,710,880,608.64
  5. Step 5: Solve for x
    x = 6,710,880,608.64/94,111.12
  6. Step 6: Final answer
    x = 71,308.05

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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.