Home / 92,412.10-127,528.60-49,970.53

Finding the Fourth Proportional to 92,412.10, 127,528.60 and 49,970.53

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Solution

The fourth proportional to 92,412.10, 127,528.60 and 49,970.53 is: 68,959.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,412.10 : 127,528.60 = 49,970.53 : x
  2. Step 2: Convert to fraction form
    92,412.10/127,528.60 = 49,970.53/x
  3. Step 3: Cross multiply
    92,412.10x = 127,528.60 × 49,970.53
  4. Step 4: Simplify right side
    92,412.10x = 6,372,671,732.16
  5. Step 5: Solve for x
    x = 6,372,671,732.16/92,412.10
  6. Step 6: Final answer
    x = 68,959.28

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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.