Home / 86,275.08-119,060.55-47,517.30

Finding the Fourth Proportional to 86,275.08, 119,060.55 and 47,517.30

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Solution

The fourth proportional to 86,275.08, 119,060.55 and 47,517.30 is: 65,574.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,275.08 : 119,060.55 = 47,517.30 : x
  2. Step 2: Convert to fraction form
    86,275.08/119,060.55 = 47,517.30/x
  3. Step 3: Cross multiply
    86,275.08x = 119,060.55 × 47,517.30
  4. Step 4: Simplify right side
    86,275.08x = 5,657,435,872.52
  5. Step 5: Solve for x
    x = 5,657,435,872.52/86,275.08
  6. Step 6: Final answer
    x = 65,574.39

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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.