Home / 86,740.70-119,702.36-48,501.63

Finding the Fourth Proportional to 86,740.70, 119,702.36 and 48,501.63

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Solution

The fourth proportional to 86,740.70, 119,702.36 and 48,501.63 is: 66,932.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,740.70 : 119,702.36 = 48,501.63 : x
  2. Step 2: Convert to fraction form
    86,740.70/119,702.36 = 48,501.63/x
  3. Step 3: Cross multiply
    86,740.70x = 119,702.36 × 48,501.63
  4. Step 4: Simplify right side
    86,740.70x = 5,805,759,574.85
  5. Step 5: Solve for x
    x = 5,805,759,574.85/86,740.70
  6. Step 6: Final answer
    x = 66,932.36

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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.