Home / 93,979.76-129,692.02-51,539.20

Finding the Fourth Proportional to 93,979.76, 129,692.02 and 51,539.20

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Solution

The fourth proportional to 93,979.76, 129,692.02 and 51,539.20 is: 71,124.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,979.76 : 129,692.02 = 51,539.20 : x
  2. Step 2: Convert to fraction form
    93,979.76/129,692.02 = 51,539.20/x
  3. Step 3: Cross multiply
    93,979.76x = 129,692.02 × 51,539.20
  4. Step 4: Simplify right side
    93,979.76x = 6,684,222,957.18
  5. Step 5: Solve for x
    x = 6,684,222,957.18/93,979.76
  6. Step 6: Final answer
    x = 71,124.07

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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.