Home / 72,267.08-99,762.68-54,368.88

Finding the Fourth Proportional to 72,267.08, 99,762.68 and 54,368.88

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Solution

The fourth proportional to 72,267.08, 99,762.68 and 54,368.88 is: 75,054.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,267.08 : 99,762.68 = 54,368.88 : x
  2. Step 2: Convert to fraction form
    72,267.08/99,762.68 = 54,368.88/x
  3. Step 3: Cross multiply
    72,267.08x = 99,762.68 × 54,368.88
  4. Step 4: Simplify right side
    72,267.08x = 5,423,985,177.40
  5. Step 5: Solve for x
    x = 5,423,985,177.40/72,267.08
  6. Step 6: Final answer
    x = 75,054.72

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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.