Home / 103,657.32-143,045.37-58,335.30

Finding the Fourth Proportional to 103,657.32, 143,045.37 and 58,335.30

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Solution

The fourth proportional to 103,657.32, 143,045.37 and 58,335.30 is: 80,501.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,657.32 : 143,045.37 = 58,335.30 : x
  2. Step 2: Convert to fraction form
    103,657.32/143,045.37 = 58,335.30/x
  3. Step 3: Cross multiply
    103,657.32x = 143,045.37 × 58,335.30
  4. Step 4: Simplify right side
    103,657.32x = 8,344,594,572.56
  5. Step 5: Solve for x
    x = 8,344,594,572.56/103,657.32
  6. Step 6: Final answer
    x = 80,501.74

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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.