Home / 42,855.55-64,307.62-23,133.67

Finding the Fourth Proportional to 42,855.55, 64,307.62 and 23,133.67

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Solution

The fourth proportional to 42,855.55, 64,307.62 and 23,133.67 is: 34,713.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,855.55 : 64,307.62 = 23,133.67 : x
  2. Step 2: Convert to fraction form
    42,855.55/64,307.62 = 23,133.67/x
  3. Step 3: Cross multiply
    42,855.55x = 64,307.62 × 23,133.67
  4. Step 4: Simplify right side
    42,855.55x = 1,487,671,127.71
  5. Step 5: Solve for x
    x = 1,487,671,127.71/42,855.55
  6. Step 6: Final answer
    x = 34,713.62

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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.