Home / 72,307.10-108,420.40-22,373.02

Finding the Fourth Proportional to 72,307.10, 108,420.40 and 22,373.02

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Solution

The fourth proportional to 72,307.10, 108,420.40 and 22,373.02 is: 33,547.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,307.10 : 108,420.40 = 22,373.02 : x
  2. Step 2: Convert to fraction form
    72,307.10/108,420.40 = 22,373.02/x
  3. Step 3: Cross multiply
    72,307.10x = 108,420.40 × 22,373.02
  4. Step 4: Simplify right side
    72,307.10x = 2,425,691,777.61
  5. Step 5: Solve for x
    x = 2,425,691,777.61/72,307.10
  6. Step 6: Final answer
    x = 33,547.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.