Home / 92,947.67-128,267.47-52,669.12

Finding the Fourth Proportional to 92,947.67, 128,267.47 and 52,669.12

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Solution

The fourth proportional to 92,947.67, 128,267.47 and 52,669.12 is: 72,683.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,947.67 : 128,267.47 = 52,669.12 : x
  2. Step 2: Convert to fraction form
    92,947.67/128,267.47 = 52,669.12/x
  3. Step 3: Cross multiply
    92,947.67x = 128,267.47 × 52,669.12
  4. Step 4: Simplify right side
    92,947.67x = 6,755,734,769.53
  5. Step 5: Solve for x
    x = 6,755,734,769.53/92,947.67
  6. Step 6: Final answer
    x = 72,683.21

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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.