Home / 103,692.02-143,055.88-60,657.80

Finding the Fourth Proportional to 103,692.02, 143,055.88 and 60,657.80

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Solution

The fourth proportional to 103,692.02, 143,055.88 and 60,657.80 is: 83,684.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,692.02 : 143,055.88 = 60,657.80 : x
  2. Step 2: Convert to fraction form
    103,692.02/143,055.88 = 60,657.80/x
  3. Step 3: Cross multiply
    103,692.02x = 143,055.88 × 60,657.80
  4. Step 4: Simplify right side
    103,692.02x = 8,677,454,957.86
  5. Step 5: Solve for x
    x = 8,677,454,957.86/103,692.02
  6. Step 6: Final answer
    x = 83,684.89

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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.