Home / 105,692.02-145,854.95-57,944.35

Finding the Fourth Proportional to 105,692.02, 145,854.95 and 57,944.35

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Solution

The fourth proportional to 105,692.02, 145,854.95 and 57,944.35 is: 79,963.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,692.02 : 145,854.95 = 57,944.35 : x
  2. Step 2: Convert to fraction form
    105,692.02/145,854.95 = 57,944.35/x
  3. Step 3: Cross multiply
    105,692.02x = 145,854.95 × 57,944.35
  4. Step 4: Simplify right side
    105,692.02x = 8,451,470,272.03
  5. Step 5: Solve for x
    x = 8,451,470,272.03/105,692.02
  6. Step 6: Final answer
    x = 79,963.18

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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.