Home / 103,835.26-143,292.72-56,088.63

Finding the Fourth Proportional to 103,835.26, 143,292.72 and 56,088.63

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Solution

The fourth proportional to 103,835.26, 143,292.72 and 56,088.63 is: 77,402.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,835.26 : 143,292.72 = 56,088.63 : x
  2. Step 2: Convert to fraction form
    103,835.26/143,292.72 = 56,088.63/x
  3. Step 3: Cross multiply
    103,835.26x = 143,292.72 × 56,088.63
  4. Step 4: Simplify right side
    103,835.26x = 8,037,092,353.77
  5. Step 5: Solve for x
    x = 8,037,092,353.77/103,835.26
  6. Step 6: Final answer
    x = 77,402.34

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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.