Home / 72,666.14-100,283.40-48,425.00

Finding the Fourth Proportional to 72,666.14, 100,283.40 and 48,425.00

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Solution

The fourth proportional to 72,666.14, 100,283.40 and 48,425.00 is: 66,829.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,666.14 : 100,283.40 = 48,425.00 : x
  2. Step 2: Convert to fraction form
    72,666.14/100,283.40 = 48,425.00/x
  3. Step 3: Cross multiply
    72,666.14x = 100,283.40 × 48,425.00
  4. Step 4: Simplify right side
    72,666.14x = 4,856,223,143.58
  5. Step 5: Solve for x
    x = 4,856,223,143.58/72,666.14
  6. Step 6: Final answer
    x = 66,829.25

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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.