Home / 92,841.63-128,124.09-50,402.94

Finding the Fourth Proportional to 92,841.63, 128,124.09 and 50,402.94

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Solution

The fourth proportional to 92,841.63, 128,124.09 and 50,402.94 is: 69,557.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,841.63 : 128,124.09 = 50,402.94 : x
  2. Step 2: Convert to fraction form
    92,841.63/128,124.09 = 50,402.94/x
  3. Step 3: Cross multiply
    92,841.63x = 128,124.09 × 50,402.94
  4. Step 4: Simplify right side
    92,841.63x = 6,457,830,820.82
  5. Step 5: Solve for x
    x = 6,457,830,820.82/92,841.63
  6. Step 6: Final answer
    x = 69,557.49

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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.