Home / 107,384.59-148,349.90-70,677.37

Finding the Fourth Proportional to 107,384.59, 148,349.90 and 70,677.37

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Solution

The fourth proportional to 107,384.59, 148,349.90 and 70,677.37 is: 97,639.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,384.59 : 148,349.90 = 70,677.37 : x
  2. Step 2: Convert to fraction form
    107,384.59/148,349.90 = 70,677.37/x
  3. Step 3: Cross multiply
    107,384.59x = 148,349.90 × 70,677.37
  4. Step 4: Simplify right side
    107,384.59x = 10,484,980,771.76
  5. Step 5: Solve for x
    x = 10,484,980,771.76/107,384.59
  6. Step 6: Final answer
    x = 97,639.53

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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.