Home / 98,740.59-148,193.82-42,623.08

Finding the Fourth Proportional to 98,740.59, 148,193.82 and 42,623.08

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Solution

The fourth proportional to 98,740.59, 148,193.82 and 42,623.08 is: 63,970.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,740.59 : 148,193.82 = 42,623.08 : x
  2. Step 2: Convert to fraction form
    98,740.59/148,193.82 = 42,623.08/x
  3. Step 3: Cross multiply
    98,740.59x = 148,193.82 × 42,623.08
  4. Step 4: Simplify right side
    98,740.59x = 6,316,477,045.37
  5. Step 5: Solve for x
    x = 6,316,477,045.37/98,740.59
  6. Step 6: Final answer
    x = 63,970.42

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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.