Home / 98,368.83-147,554.46-28,248.75

Finding the Fourth Proportional to 98,368.83, 147,554.46 and 28,248.75

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Solution

The fourth proportional to 98,368.83, 147,554.46 and 28,248.75 is: 42,373.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,368.83 : 147,554.46 = 28,248.75 : x
  2. Step 2: Convert to fraction form
    98,368.83/147,554.46 = 28,248.75/x
  3. Step 3: Cross multiply
    98,368.83x = 147,554.46 × 28,248.75
  4. Step 4: Simplify right side
    98,368.83x = 4,168,229,051.93
  5. Step 5: Solve for x
    x = 4,168,229,051.93/98,368.83
  6. Step 6: Final answer
    x = 42,373.47

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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.