Home / 102,064.32-140,859.84-59,637.12

Finding the Fourth Proportional to 102,064.32, 140,859.84 and 59,637.12

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Solution

The fourth proportional to 102,064.32, 140,859.84 and 59,637.12 is: 82,305.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,064.32 : 140,859.84 = 59,637.12 : x
  2. Step 2: Convert to fraction form
    102,064.32/140,859.84 = 59,637.12/x
  3. Step 3: Cross multiply
    102,064.32x = 140,859.84 × 59,637.12
  4. Step 4: Simplify right side
    102,064.32x = 8,400,475,181.26
  5. Step 5: Solve for x
    x = 8,400,475,181.26/102,064.32
  6. Step 6: Final answer
    x = 82,305.70

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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.