Home / 76,319.29-105,301.83-45,702.44

Finding the Fourth Proportional to 76,319.29, 105,301.83 and 45,702.44

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Solution

The fourth proportional to 76,319.29, 105,301.83 and 45,702.44 is: 63,058.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,319.29 : 105,301.83 = 45,702.44 : x
  2. Step 2: Convert to fraction form
    76,319.29/105,301.83 = 45,702.44/x
  3. Step 3: Cross multiply
    76,319.29x = 105,301.83 × 45,702.44
  4. Step 4: Simplify right side
    76,319.29x = 4,812,550,567.47
  5. Step 5: Solve for x
    x = 4,812,550,567.47/76,319.29
  6. Step 6: Final answer
    x = 63,058.12

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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.