Home / 98,417.16-147,633.30-28,301.94

Finding the Fourth Proportional to 98,417.16, 147,633.30 and 28,301.94

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Solution

The fourth proportional to 98,417.16, 147,633.30 and 28,301.94 is: 42,455.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,417.16 : 147,633.30 = 28,301.94 : x
  2. Step 2: Convert to fraction form
    98,417.16/147,633.30 = 28,301.94/x
  3. Step 3: Cross multiply
    98,417.16x = 147,633.30 × 28,301.94
  4. Step 4: Simplify right side
    98,417.16x = 4,178,308,798.60
  5. Step 5: Solve for x
    x = 4,178,308,798.60/98,417.16
  6. Step 6: Final answer
    x = 42,455.08

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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.