Home / 92,869.08-128,155.82-52,574.82

Finding the Fourth Proportional to 92,869.08, 128,155.82 and 52,574.82

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Solution

The fourth proportional to 92,869.08, 128,155.82 and 52,574.82 is: 72,551.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,869.08 : 128,155.82 = 52,574.82 : x
  2. Step 2: Convert to fraction form
    92,869.08/128,155.82 = 52,574.82/x
  3. Step 3: Cross multiply
    92,869.08x = 128,155.82 × 52,574.82
  4. Step 4: Simplify right side
    92,869.08x = 6,737,768,905.58
  5. Step 5: Solve for x
    x = 6,737,768,905.58/92,869.08
  6. Step 6: Final answer
    x = 72,551.26

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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.