Home / 92,820.64-128,089.05-50,378.26

Finding the Fourth Proportional to 92,820.64, 128,089.05 and 50,378.26

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Solution

The fourth proportional to 92,820.64, 128,089.05 and 50,378.26 is: 69,520.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,820.64 : 128,089.05 = 50,378.26 : x
  2. Step 2: Convert to fraction form
    92,820.64/128,089.05 = 50,378.26/x
  3. Step 3: Cross multiply
    92,820.64x = 128,089.05 × 50,378.26
  4. Step 4: Simplify right side
    92,820.64x = 6,452,902,823.61
  5. Step 5: Solve for x
    x = 6,452,902,823.61/92,820.64
  6. Step 6: Final answer
    x = 69,520.13

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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.