Home / 94,415.72-130,294.50-51,977.32

Finding the Fourth Proportional to 94,415.72, 130,294.50 and 51,977.32

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Solution

The fourth proportional to 94,415.72, 130,294.50 and 51,977.32 is: 71,729.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,415.72 : 130,294.50 = 51,977.32 : x
  2. Step 2: Convert to fraction form
    94,415.72/130,294.50 = 51,977.32/x
  3. Step 3: Cross multiply
    94,415.72x = 130,294.50 × 51,977.32
  4. Step 4: Simplify right side
    94,415.72x = 6,772,358,920.74
  5. Step 5: Solve for x
    x = 6,772,358,920.74/94,415.72
  6. Step 6: Final answer
    x = 71,729.15

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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.