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Finding the Fourth Proportional to 92,070.65, 127,056.23 and 51,784.39

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Solution

The fourth proportional to 92,070.65, 127,056.23 and 51,784.39 is: 71,461.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,070.65 : 127,056.23 = 51,784.39 : x
  2. Step 2: Convert to fraction form
    92,070.65/127,056.23 = 51,784.39/x
  3. Step 3: Cross multiply
    92,070.65x = 127,056.23 × 51,784.39
  4. Step 4: Simplify right side
    92,070.65x = 6,579,529,751.63
  5. Step 5: Solve for x
    x = 6,579,529,751.63/92,070.65
  6. Step 6: Final answer
    x = 71,461.75

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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.