Home / 98,526.62-147,666-42,300.20

Finding the Fourth Proportional to 98,526.62, 147,666 and 42,300.20

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Solution

The fourth proportional to 98,526.62, 147,666 and 42,300.20 is: 63,397.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,526.62 : 147,666 = 42,300.20 : x
  2. Step 2: Convert to fraction form
    98,526.62/147,666 = 42,300.20/x
  3. Step 3: Cross multiply
    98,526.62x = 147,666 × 42,300.20
  4. Step 4: Simplify right side
    98,526.62x = 6,246,301,333.20
  5. Step 5: Solve for x
    x = 6,246,301,333.20/98,526.62
  6. Step 6: Final answer
    x = 63,397.09

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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.